diff --git a/spine-cpp/spine-cpp-unit-tests/src/TestHarness.cpp b/spine-cpp/spine-cpp-unit-tests/src/TestHarness.cpp
index 03e0d2ba3..5d76f0ff5 100644
--- a/spine-cpp/spine-cpp-unit-tests/src/TestHarness.cpp
+++ b/spine-cpp/spine-cpp-unit-tests/src/TestHarness.cpp
@@ -61,16 +61,16 @@ void *Spine::TestSpineExtension::_realloc(void *ptr, size_t size, const char *fi
 }
 
 void Spine::TestSpineExtension::_free(void *mem, const char *file, int line) {
-	DefaultSpineExtension::_free(mem, file, line);
 
 	for (std::vector<Allocation>::iterator it = allocated.begin(); it != allocated.end(); it++) {
 		if (it->address == mem) {
+			DefaultSpineExtension::_free(mem, file, line);
 			allocated.erase(it);
 			return;
 		}
 	}
 
-	printf("%s:%i (address %p): Double free or not allocatedö through SpineExtension", file, line, mem);
+	printf("%s:%i (address %p): Double free or not allocated through SpineExtension\n", file, line, mem);
 }
 
 void Spine::TestSpineExtension::reportLeaks() {
diff --git a/spine-cpp/spine-cpp-unit-tests/src/main.cpp b/spine-cpp/spine-cpp-unit-tests/src/main.cpp
index 1221ad9e5..959c97602 100644
--- a/spine-cpp/spine-cpp-unit-tests/src/main.cpp
+++ b/spine-cpp/spine-cpp-unit-tests/src/main.cpp
@@ -33,19 +33,53 @@
 
 #include "TestHarness.h"
 
-#define SPINEBOY_JSON "testdata/spineboy/spineboy-ess.json"
-#define SPINEBOY_ATLAS "testdata/spineboy/spineboy.atlas"
+#define SPINEBOY_JSON "testdata/raptor/raptor-pro.json"
+#define SPINEBOY_ATLAS "testdata/raptor/raptor.atlas"
 
 using namespace Spine;
 
+void loadSpineboy(Atlas* &atlas, SkeletonData* &skeletonData, AnimationStateData* &stateData, Skeleton* &skeleton, AnimationState* &state) {
+	atlas = new (__FILE__, __LINE__) Atlas(SPINEBOY_ATLAS, 0);
+	assert(atlas != 0);
+
+	SkeletonJson json(atlas);
+	skeletonData = json.readSkeletonDataFile(SPINEBOY_JSON);
+	assert(skeletonData);
+
+	skeleton = new (__FILE__, __LINE__) Skeleton(skeletonData);
+	assert(skeleton != 0);
+
+	stateData = new (__FILE__, __LINE__) AnimationStateData(skeletonData);
+	assert(stateData != 0);
+	stateData->setDefaultMix(0.4f);
+
+	state = new (__FILE__, __LINE__) AnimationState(stateData);
+}
+
+void dispose(Atlas* atlas, SkeletonData* skeletonData, AnimationStateData* stateData, Skeleton* skeleton, AnimationState* state) {
+	delete skeleton;
+	delete state;
+	delete stateData;
+	delete skeletonData;
+	delete atlas;
+}
+
+void reproduceIssue_776() {
+	Atlas* atlas = 0;
+	SkeletonData* skeletonData = 0;
+	AnimationStateData* stateData = 0;
+	Skeleton* skeleton = 0;
+	AnimationState* state = 0;
+
+	loadSpineboy(atlas, skeletonData, stateData, skeleton, state);
+	dispose(atlas, skeletonData, stateData, skeleton, state);
+}
+
 int main (int argc, char** argv) {
 	TestSpineExtension* ext = new TestSpineExtension();
 	SpineExtension::setInstance(ext);
 
-	Atlas* atlas = new (__FILE__, __LINE__) Atlas(SPINEBOY_ATLAS, 0);
-
-
-	delete atlas;
+	reproduceIssue_776();
 
 	ext->reportLeaks();
 }
\ No newline at end of file
diff --git a/spine-cpp/spine-cpp/include/spine/AnimationState.h b/spine-cpp/spine-cpp/include/spine/AnimationState.h
index 4beca5437..5b91238b1 100644
--- a/spine-cpp/spine-cpp/include/spine/AnimationState.h
+++ b/spine-cpp/spine-cpp/include/spine/AnimationState.h
@@ -288,7 +288,7 @@ namespace Spine {
         friend class EventQueue;
         
     public:
-        AnimationState(AnimationStateData& data);
+        AnimationState(AnimationStateData* data);
         
         ~AnimationState();
         
@@ -363,7 +363,7 @@ namespace Spine {
         /// @return The track entry for the animation currently playing on the track, or NULL if no animation is currently playing.
         TrackEntry* getCurrent(int trackIndex);
         
-        AnimationStateData& getData();
+        AnimationStateData* getData();
         
         /// A list of tracks that have animations, which may contain NULLs.
         Vector<TrackEntry*> getTracks();
@@ -376,7 +376,7 @@ namespace Spine {
     private:
         static const int Subsequent, First, Dip, DipMix;
         
-        AnimationStateData& _data;
+        AnimationStateData* _data;
 
         Pool<TrackEntry> _trackEntryPool;
         Vector<TrackEntry*> _tracks;
diff --git a/spine-cpp/spine-cpp/include/spine/AnimationStateData.h b/spine-cpp/spine-cpp/include/spine/AnimationStateData.h
index c0735b346..89ded3a43 100644
--- a/spine-cpp/spine-cpp/include/spine/AnimationStateData.h
+++ b/spine-cpp/spine-cpp/include/spine/AnimationStateData.h
@@ -47,13 +47,13 @@ namespace Spine {
         
     public:
         /// The SkeletonData to look up animations when they are specified by name.
-        SkeletonData& getSkeletonData();
+        SkeletonData* getSkeletonData();
         
         /// The mix duration to use when no mix duration has been specifically defined between two animations.
         float getDefaultMix();
         void setDefaultMix(float inValue);
         
-        AnimationStateData(SkeletonData& skeletonData);
+        AnimationStateData(SkeletonData* skeletonData);
         
         /// Sets a mix duration by animation names.
         void setMix(std::string fromName, std::string toName, float duration);
@@ -83,7 +83,7 @@ namespace Spine {
             std::size_t operator()(const Spine::AnimationStateData::AnimationPair& val) const;
         };
         
-        SkeletonData& _skeletonData;
+        SkeletonData* _skeletonData;
         float _defaultMix;
         HashMap<AnimationPair, float, HashAnimationPair> _animationToMixTime;
     };
diff --git a/spine-cpp/spine-cpp/include/spine/AtlasAttachmentLoader.h b/spine-cpp/spine-cpp/include/spine/AtlasAttachmentLoader.h
index 9132ac1aa..dcd1bf282 100644
--- a/spine-cpp/spine-cpp/include/spine/AtlasAttachmentLoader.h
+++ b/spine-cpp/spine-cpp/include/spine/AtlasAttachmentLoader.h
@@ -47,7 +47,7 @@ namespace Spine {
         RTTI_DECL;
         
     public:
-        AtlasAttachmentLoader(Atlas& atlas);
+        AtlasAttachmentLoader(Atlas* atlas);
         
         virtual RegionAttachment* newRegionAttachment(Skin& skin, std::string name, std::string path);
         
@@ -64,7 +64,7 @@ namespace Spine {
         AtlasRegion* findRegion(std::string name);
         
     private:
-        Atlas& _atlas;
+        Atlas* _atlas;
     };
 }
 
diff --git a/spine-cpp/spine-cpp/include/spine/Attachment.h b/spine-cpp/spine-cpp/include/spine/Attachment.h
index 332d4f847..80543c345 100644
--- a/spine-cpp/spine-cpp/include/spine/Attachment.h
+++ b/spine-cpp/spine-cpp/include/spine/Attachment.h
@@ -41,6 +41,7 @@ namespace Spine {
         
     public:
         Attachment(std::string name);
+        virtual ~Attachment();
         
         const std::string& getName();
         
diff --git a/spine-cpp/spine-cpp/include/spine/CurveTimeline.h b/spine-cpp/spine-cpp/include/spine/CurveTimeline.h
index 7df660410..df149f896 100644
--- a/spine-cpp/spine-cpp/include/spine/CurveTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/CurveTimeline.h
@@ -43,6 +43,8 @@ namespace Spine {
         
     public:
         CurveTimeline(int frameCount);
+
+        virtual ~CurveTimeline();
         
         virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) = 0;
         
diff --git a/spine-cpp/spine-cpp/include/spine/HashMap.h b/spine-cpp/spine-cpp/include/spine/HashMap.h
index 428fec23c..72deaa225 100755
--- a/spine-cpp/spine-cpp/include/spine/HashMap.h
+++ b/spine-cpp/spine-cpp/include/spine/HashMap.h
@@ -51,14 +51,9 @@ namespace Spine {
             }
             
             Iterator& operator++() {
-                _entry = _entry->next;
-                return *this;
-            }
-            
-            Iterator& operator--() {
-                _entry = _entry->prev;
-                return *this;
-            }
+				_entry = _entry->next;
+				return *this;
+			}
             
             bool operator==(const Iterator& p) const {
                 return _entry == p._entry;
@@ -68,11 +63,11 @@ namespace Spine {
                 return _entry != p._entry;
             }
             
-            K& first() {
+            K& key() {
                 return _entry->_key;
             }
             
-            V& second() {
+            V& value() {
                 return _entry->_value;
             }
             
@@ -98,6 +93,9 @@ namespace Spine {
         }
         
         ~HashMap() {
+            for (Iterator it = begin(); it != end(); ++it) {
+                delete it._entry;
+            }
             _hashSize = 0;
         }
         
@@ -113,14 +111,6 @@ namespace Spine {
             return Iterator(&_trailer);
         }
         
-        Iterator rbegin() {
-            return Iterator(_trailer.prev);
-        }
-        
-        Iterator rend() {
-            return Iterator(_header);
-        }
-        
         std::pair<Iterator, bool> insert(const K& key, const V& value) {
             Iterator iter = find(key);
             
diff --git a/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h b/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
index fb4d222e1..ef782b91e 100644
--- a/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/PathConstraintPositionTimeline.h
@@ -44,6 +44,8 @@ namespace Spine {
         static const int ENTRIES;
         
         PathConstraintPositionTimeline(int frameCount);
+
+        virtual ~PathConstraintPositionTimeline();
         
         virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction);
         
diff --git a/spine-cpp/spine-cpp/include/spine/Skeleton.h b/spine-cpp/spine-cpp/include/spine/Skeleton.h
index 11232f5de..d0042aeba 100644
--- a/spine-cpp/spine-cpp/include/spine/Skeleton.h
+++ b/spine-cpp/spine-cpp/include/spine/Skeleton.h
@@ -70,7 +70,7 @@ namespace Spine {
         friend class TwoColorTimeline;
         
     public:
-        Skeleton(SkeletonData& skeletonData);
+        Skeleton(SkeletonData* skeletonData);
         
         ~Skeleton();
         
@@ -144,7 +144,7 @@ namespace Spine {
         
         Bone* getRootBone();
         
-        const SkeletonData& getData();
+        const SkeletonData* getData();
         Vector<Bone*>& getBones();
         Vector<Updatable*>& getUpdateCacheList();
         Vector<Slot*>& getSlots();
@@ -174,7 +174,7 @@ namespace Spine {
         void setFlipY(float inValue);
         
     private:
-        SkeletonData& _data;
+        SkeletonData* _data;
         Vector<Bone*> _bones;
         Vector<Slot*> _slots;
         Vector<Slot*> _drawOrder;
diff --git a/spine-cpp/spine-cpp/include/spine/SkeletonBinary.h b/spine-cpp/spine-cpp/include/spine/SkeletonBinary.h
index a38ec122b..53359f52a 100644
--- a/spine-cpp/spine-cpp/include/spine/SkeletonBinary.h
+++ b/spine-cpp/spine-cpp/include/spine/SkeletonBinary.h
@@ -69,7 +69,7 @@ namespace Spine {
         
         static const TransformMode TRANSFORM_MODE_VALUES[5];
         
-        SkeletonBinary(Atlas& atlasArray);
+        SkeletonBinary(Atlas* atlasArray);
         
         SkeletonBinary(AttachmentLoader* attachmentLoader);
         
diff --git a/spine-cpp/spine-cpp/include/spine/SkeletonJson.h b/spine-cpp/spine-cpp/include/spine/SkeletonJson.h
index 117ed4919..c1c7db52b 100644
--- a/spine-cpp/spine-cpp/include/spine/SkeletonJson.h
+++ b/spine-cpp/spine-cpp/include/spine/SkeletonJson.h
@@ -48,7 +48,7 @@ namespace Spine {
     
     class SkeletonJson : public SpineObject {
     public:
-        SkeletonJson(Atlas& atlas);
+        SkeletonJson(Atlas* atlas);
         
         SkeletonJson(AttachmentLoader* attachmentLoader);
         
diff --git a/spine-cpp/spine-cpp/include/spine/Skin.h b/spine-cpp/spine-cpp/include/spine/Skin.h
index 57c69de42..7c5b68e11 100644
--- a/spine-cpp/spine-cpp/include/spine/Skin.h
+++ b/spine-cpp/spine-cpp/include/spine/Skin.h
@@ -61,6 +61,7 @@ namespace Spine {
         };
         
         Skin(std::string name);
+        ~Skin();
         
         /// Adds an attachment to the skin for the specified slot index and name.
         /// If the name already exists for the slot, the previous value is replaced.
diff --git a/spine-cpp/spine-cpp/include/spine/SpineObject.h b/spine-cpp/spine-cpp/include/spine/SpineObject.h
index a79e0d049..d5445196c 100644
--- a/spine-cpp/spine-cpp/include/spine/SpineObject.h
+++ b/spine-cpp/spine-cpp/include/spine/SpineObject.h
@@ -38,6 +38,7 @@ namespace Spine {
 	public:
 		void* operator new(size_t sz, const char* file, int line);
 		void operator delete(void* p);
+		virtual ~SpineObject();
 	};
 }
 
diff --git a/spine-cpp/spine-cpp/include/spine/TranslateTimeline.h b/spine-cpp/spine-cpp/include/spine/TranslateTimeline.h
index ae1f209d7..0f14769ea 100644
--- a/spine-cpp/spine-cpp/include/spine/TranslateTimeline.h
+++ b/spine-cpp/spine-cpp/include/spine/TranslateTimeline.h
@@ -47,6 +47,8 @@ namespace Spine {
         static const int ENTRIES;
         
         TranslateTimeline(int frameCount);
+
+        virtual ~TranslateTimeline();
         
         virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction);
         
diff --git a/spine-cpp/spine-cpp/include/spine/Vector.h b/spine-cpp/spine-cpp/include/spine/Vector.h
index 48ff57d2a..6f63ca802 100644
--- a/spine-cpp/spine-cpp/include/spine/Vector.h
+++ b/spine-cpp/spine-cpp/include/spine/Vector.h
@@ -56,7 +56,6 @@ namespace Spine {
         }
         
         ~Vector() {
-            clear();
             deallocate(_buffer);
         }
         
@@ -149,21 +148,21 @@ namespace Spine {
         T* end() {
             return &_buffer[_size];
         }
-        
+
         friend bool operator==(Vector<T>& lhs, Vector<T>& rhs) {
             if (lhs.size() != rhs.size()) {
                 return false;
             }
-            
+
             for (int i = 0, n = static_cast<int>(lhs.size()); i < n; ++i) {
                 if (lhs[i] != rhs[i]) {
                     return false;
                 }
             }
-            
+
             return true;
         }
-        
+
         friend bool operator!=(Vector<T>& lhs, Vector<T>& rhs) {
             return !(lhs == rhs);
         }
@@ -186,6 +185,7 @@ namespace Spine {
         void deallocate(T* buffer) {
             if (_buffer) {
                 SpineExtension::free<T>(buffer, __FILE__, __LINE__);
+                // _buffer = 0;
             }
         }
     };
diff --git a/spine-cpp/spine-cpp/include/spine/VertexAttachment.h b/spine-cpp/spine-cpp/include/spine/VertexAttachment.h
index 4385886f5..d4be95f84 100644
--- a/spine-cpp/spine-cpp/include/spine/VertexAttachment.h
+++ b/spine-cpp/spine-cpp/include/spine/VertexAttachment.h
@@ -48,6 +48,8 @@ namespace Spine {
         
     public:
         VertexAttachment(std::string name);
+
+        virtual ~VertexAttachment();
         
         void computeWorldVertices(Slot& slot, Vector<float>& worldVertices);
         
diff --git a/spine-cpp/spine-cpp/src/spine/AnimationState.cpp b/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
index 0c286bc98..68adbec99 100644
--- a/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
+++ b/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
@@ -305,7 +305,7 @@ namespace Spine {
     const int AnimationState::Dip = 2;
     const int AnimationState::DipMix = 3;
     
-    AnimationState::AnimationState(AnimationStateData& data) :
+    AnimationState::AnimationState(AnimationStateData* data) :
     _data(data),
     _queue(EventQueue::newEventQueue(*this, _trackEntryPool)),
     _animationsChanged(false),
@@ -501,7 +501,7 @@ namespace Spine {
     }
     
     TrackEntry* AnimationState::setAnimation(int trackIndex, std::string animationName, bool loop) {
-        Animation* animation = _data._skeletonData.findAnimation(animationName);
+        Animation* animation = _data->_skeletonData->findAnimation(animationName);
         assert(animation != NULL);
         
         return setAnimation(trackIndex, animation, loop);
@@ -535,7 +535,7 @@ namespace Spine {
     }
     
     TrackEntry* AnimationState::addAnimation(int trackIndex, std::string animationName, bool loop, float delay) {
-        Animation* animation = _data._skeletonData.findAnimation(animationName);
+        Animation* animation = _data->_skeletonData->findAnimation(animationName);
         assert(animation != NULL);
         
         return addAnimation(trackIndex, animation, loop, delay);
@@ -567,7 +567,7 @@ namespace Spine {
                     } else {
                         delay += duration;
                     }
-                    delay -= _data.getMix(last->_animation, animation);
+                    delay -= _data->getMix(last->_animation, animation);
                 } else {
                     delay = 0;
                 }
@@ -613,7 +613,7 @@ namespace Spine {
         return trackIndex >= _tracks.size() ? NULL : _tracks[trackIndex];
     }
     
-    AnimationStateData& AnimationState::getData() {
+    AnimationStateData* AnimationState::getData() {
         return _data;
     }
     
@@ -940,7 +940,7 @@ namespace Spine {
         entry._alpha = 1;
         entry._interruptAlpha = 1;
         entry._mixTime = 0;
-        entry._mixDuration = (last == NULL) ? 0 : _data.getMix(last->_animation, animation);
+        entry._mixDuration = (last == NULL) ? 0 : _data->getMix(last->_animation, animation);
         
         return entryP;
     }
diff --git a/spine-cpp/spine-cpp/src/spine/AnimationStateData.cpp b/spine-cpp/spine-cpp/src/spine/AnimationStateData.cpp
index 5edb8b934..c57451e19 100644
--- a/spine-cpp/spine-cpp/src/spine/AnimationStateData.cpp
+++ b/spine-cpp/spine-cpp/src/spine/AnimationStateData.cpp
@@ -34,13 +34,13 @@
 #include <spine/Animation.h>
 
 namespace Spine {
-    AnimationStateData::AnimationStateData(SkeletonData& skeletonData) : _skeletonData(skeletonData), _defaultMix(0) {
+    AnimationStateData::AnimationStateData(SkeletonData* skeletonData) : _skeletonData(skeletonData), _defaultMix(0) {
         // Empty
     }
     
     void AnimationStateData::setMix(std::string fromName, std::string toName, float duration) {
-        Animation* from = _skeletonData.findAnimation(fromName);
-        Animation* to = _skeletonData.findAnimation(toName);
+        Animation* from = _skeletonData->findAnimation(fromName);
+        Animation* to = _skeletonData->findAnimation(toName);
         
         setMix(from, to, duration);
     }
@@ -64,13 +64,13 @@ namespace Spine {
         HashMap<AnimationPair, float, HashAnimationPair>::Iterator i = _animationToMixTime.find(key);
         
         if (i != _animationToMixTime.end()) {
-            return i.second();
+            return i.value();
         }
         
         return _defaultMix;
     }
     
-    SkeletonData& AnimationStateData::getSkeletonData() {
+    SkeletonData* AnimationStateData::getSkeletonData() {
         return _skeletonData;
     }
     
diff --git a/spine-cpp/spine-cpp/src/spine/AtlasAttachmentLoader.cpp b/spine-cpp/spine-cpp/src/spine/AtlasAttachmentLoader.cpp
index d7c2e0550..8641846a6 100644
--- a/spine-cpp/spine-cpp/src/spine/AtlasAttachmentLoader.cpp
+++ b/spine-cpp/spine-cpp/src/spine/AtlasAttachmentLoader.cpp
@@ -26,7 +26,7 @@
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
-*****************************************************************************/
+******************************************************S**********************/
 
 #include <spine/AtlasAttachmentLoader.h>
 
@@ -43,7 +43,7 @@
 namespace Spine {
     RTTI_IMPL(AtlasAttachmentLoader, AttachmentLoader);
     
-    AtlasAttachmentLoader::AtlasAttachmentLoader(Atlas& atlas) : AttachmentLoader(), _atlas(atlas) {
+    AtlasAttachmentLoader::AtlasAttachmentLoader(Atlas* atlas) : AttachmentLoader(), _atlas(atlas) {
         // Empty
     }
     
@@ -64,7 +64,7 @@ namespace Spine {
         attachment._regionHeight = region.height;
         attachment._regionOriginalWidth = region.originalWidth;
         attachment._regionOriginalHeight = region.originalHeight;
-        
+        printf("New region attachment, %p %p\n", &attachmentP->getUVs(), &attachmentP->getOffset());
         return attachmentP;
     }
     
@@ -111,6 +111,6 @@ namespace Spine {
     
     AtlasRegion* AtlasAttachmentLoader::findRegion(std::string name) {
         AtlasRegion* ret;
-        return _atlas.findRegion(name);
+        return _atlas->findRegion(name);
     }
 }
diff --git a/spine-cpp/spine-cpp/src/spine/Attachment.cpp b/spine-cpp/spine-cpp/src/spine/Attachment.cpp
index 779be06a6..ea91881fc 100644
--- a/spine-cpp/spine-cpp/src/spine/Attachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Attachment.cpp
@@ -38,6 +38,9 @@ namespace Spine {
     Attachment::Attachment(std::string name) : _name(name) {
         assert(_name.length() > 0);
     }
+
+    Attachment::~Attachment() {
+    }
     
     const std::string& Attachment::getName() {
         return _name;
diff --git a/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp b/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
index 63571800d..251c4b4a7 100644
--- a/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
@@ -46,6 +46,9 @@ namespace Spine {
         _curves.reserve((frameCount - 1) * BEZIER_SIZE);
         _curves.setSize((frameCount - 1) * BEZIER_SIZE);
     }
+
+    CurveTimeline::~CurveTimeline() {
+    }
     
     int CurveTimeline::getFrameCount() {
         return static_cast<int>(_curves.size() / BEZIER_SIZE + 1);
diff --git a/spine-cpp/spine-cpp/src/spine/Extension.cpp b/spine-cpp/spine-cpp/src/spine/Extension.cpp
index 27aa764b2..b492e4294 100644
--- a/spine-cpp/spine-cpp/src/spine/Extension.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Extension.cpp
@@ -78,23 +78,39 @@ namespace Spine {
     }
     
     void* DefaultSpineExtension::_alloc(size_t size, const char* file, int line) {
-        return ::malloc(size);
+		if (size == 0)
+			return 0;
+        void* ptr = ::malloc(size);
+        printf("alloc %lu bytes at %p\n", size, ptr);
+        return ptr;
     }
     
     void* DefaultSpineExtension::_calloc(size_t size, const char* file, int line) {
-        void* ptr = _alloc(size, file, line);
+		if (size == 0)
+			return 0;
+
+        void* ptr = ::malloc(size);
         if (ptr) {
             memset(ptr, 0, size);
         }
-        
+        printf("calloc %lu bytes at %p\n", size, ptr);
         return ptr;
     }
     
     void* DefaultSpineExtension::_realloc(void* ptr, size_t size, const char* file, int line) {
-        return ::realloc(ptr, size);
+        void* mem = NULL;
+		if (size == 0)
+			return 0;
+        if (ptr == NULL)
+            mem = ::malloc(size);
+        else
+            mem = ::realloc(ptr, size);
+        printf("realloc %lu bytes from %p to %p\n", size, ptr, mem);
+        return mem;
     }
     
     void DefaultSpineExtension::_free(void* mem, const char* file, int line) {
+        printf("free %p\n", mem);
         ::free(mem);
     }
     
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
index e5635d4dd..2a5b0aa65 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
@@ -52,6 +52,10 @@ namespace Spine {
         _frames.reserve(frameCount * ENTRIES);
         _frames.setSize(frameCount * ENTRIES);
     }
+
+    PathConstraintPositionTimeline::~PathConstraintPositionTimeline() {
+        // Empty
+    }
     
     void PathConstraintPositionTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
         PathConstraint* constraintP = skeleton._pathConstraints[_pathConstraintIndex];
diff --git a/spine-cpp/spine-cpp/src/spine/Skeleton.cpp b/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
index 23f4255f4..f988669ab 100644
--- a/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
@@ -53,7 +53,7 @@
 #include <spine/Extension.h>
 
 namespace Spine {
-    Skeleton::Skeleton(SkeletonData& skeletonData) :
+    Skeleton::Skeleton(SkeletonData* skeletonData) :
     _data(skeletonData),
     _skin(NULL),
     _r(1),
@@ -65,8 +65,8 @@ namespace Spine {
     _flipY(false),
     _x(0),
     _y(0) {
-        _bones.reserve(_data.getBones().size());
-        for (BoneData** i = _data.getBones().begin(); i != _data.getBones().end(); ++i) {
+        _bones.reserve(_data->getBones().size());
+        for (BoneData** i = _data->getBones().begin(); i != _data->getBones().end(); ++i) {
             BoneData* data = (*i);
             
             Bone* bone;
@@ -82,9 +82,9 @@ namespace Spine {
             _bones.push_back(bone);
         }
         
-        _slots.reserve(_data.getSlots().size());
-        _drawOrder.reserve(_data.getSlots().size());
-        for (SlotData** i = _data.getSlots().begin(); i != _data.getSlots().end(); ++i) {
+        _slots.reserve(_data->getSlots().size());
+        _drawOrder.reserve(_data->getSlots().size());
+        for (SlotData** i = _data->getSlots().begin(); i != _data->getSlots().end(); ++i) {
             SlotData* data = (*i);
             
             Bone* bone = _bones[data->getBoneData().getIndex()];
@@ -94,8 +94,8 @@ namespace Spine {
             _drawOrder.push_back(slot);
         }
         
-        _ikConstraints.reserve(_data.getIkConstraints().size());
-        for (IkConstraintData** i = _data.getIkConstraints().begin(); i != _data.getIkConstraints().end(); ++i) {
+        _ikConstraints.reserve(_data->getIkConstraints().size());
+        for (IkConstraintData** i = _data->getIkConstraints().begin(); i != _data->getIkConstraints().end(); ++i) {
             IkConstraintData* data = (*i);
             
             IkConstraint* constraint = new (__FILE__, __LINE__) IkConstraint(*data, *this);
@@ -103,8 +103,8 @@ namespace Spine {
             _ikConstraints.push_back(constraint);
         }
         
-        _transformConstraints.reserve(_data.getTransformConstraints().size());
-        for (TransformConstraintData** i = _data.getTransformConstraints().begin(); i != _data.getTransformConstraints().end(); ++i) {
+        _transformConstraints.reserve(_data->getTransformConstraints().size());
+        for (TransformConstraintData** i = _data->getTransformConstraints().begin(); i != _data->getTransformConstraints().end(); ++i) {
             TransformConstraintData* data = (*i);
             
             TransformConstraint* constraint = new (__FILE__, __LINE__) TransformConstraint(*data, *this);
@@ -112,8 +112,8 @@ namespace Spine {
             _transformConstraints.push_back(constraint);
         }
         
-        _pathConstraints.reserve(_data.getPathConstraints().size());
-        for (PathConstraintData** i = _data.getPathConstraints().begin(); i != _data.getPathConstraints().end(); ++i) {
+        _pathConstraints.reserve(_data->getPathConstraints().size());
+        for (PathConstraintData** i = _data->getPathConstraints().begin(); i != _data->getPathConstraints().end(); ++i) {
             PathConstraintData* data = (*i);
             
             PathConstraint* constraint = new (__FILE__, __LINE__) PathConstraint(*data, *this);
@@ -286,7 +286,7 @@ namespace Spine {
     }
     
     void Skeleton::setSkin(std::string skinName) {
-        Skin* foundSkin = _data.findSkin(skinName);
+        Skin* foundSkin = _data->findSkin(skinName);
         
         assert(foundSkin != NULL);
         
@@ -318,7 +318,7 @@ namespace Spine {
     }
     
     Attachment* Skeleton::getAttachment(std::string slotName, std::string attachmentName) {
-        return getAttachment(_data.findSlotIndex(slotName), attachmentName);
+        return getAttachment(_data->findSlotIndex(slotName), attachmentName);
     }
     
     Attachment* Skeleton::getAttachment(int slotIndex, std::string attachmentName) {
@@ -331,7 +331,7 @@ namespace Spine {
             }
         }
         
-        return _data.getDefaultSkin() != NULL ? _data.getDefaultSkin()->getAttachment(slotIndex, attachmentName) : NULL;
+        return _data->getDefaultSkin() != NULL ? _data->getDefaultSkin()->getAttachment(slotIndex, attachmentName) : NULL;
     }
     
     void Skeleton::setAttachment(std::string slotName, std::string attachmentName) {
@@ -454,7 +454,7 @@ namespace Spine {
         return _bones.size() == 0 ? NULL : _bones[0];
     }
     
-    const SkeletonData& Skeleton::getData() {
+    const SkeletonData* Skeleton::getData() {
         return _data;
     }
     
@@ -592,12 +592,12 @@ namespace Spine {
             sortPathConstraintAttachment(_skin, slotIndex, slotBone);
         }
         
-        if (_data._defaultSkin != NULL && _data._defaultSkin != _skin) {
-            sortPathConstraintAttachment(_data._defaultSkin, slotIndex, slotBone);
+        if (_data->_defaultSkin != NULL && _data->_defaultSkin != _skin) {
+            sortPathConstraintAttachment(_data->_defaultSkin, slotIndex, slotBone);
         }
         
-        for (int ii = 0, nn = static_cast<int>(_data._skins.size()); ii < nn; ++ii) {
-            sortPathConstraintAttachment(_data._skins[ii], slotIndex, slotBone);
+        for (int ii = 0, nn = static_cast<int>(_data->_skins.size()); ii < nn; ++ii) {
+            sortPathConstraintAttachment(_data->_skins[ii], slotIndex, slotBone);
         }
         
         Attachment* attachment = slot->_attachment;
@@ -657,9 +657,9 @@ namespace Spine {
         HashMap<Skin::AttachmentKey, Attachment*, Skin::HashAttachmentKey>& attachments = skin->getAttachments();
         
         for (typename HashMap<Skin::AttachmentKey, Attachment*, Skin::HashAttachmentKey>::Iterator i = attachments.begin(); i != attachments.end(); ++i) {
-            Skin::AttachmentKey key = i.first();
+            Skin::AttachmentKey key = i.key();
             if (key._slotIndex == slotIndex) {
-                Attachment* value = i.second();
+                Attachment* value = i.value();
                 sortPathConstraintAttachment(value, slotBone);
             }
         }
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
index 2ab05b83c..06a8d61c3 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
@@ -106,7 +106,7 @@ namespace Spine {
         TransformMode_NoScaleOrReflection
     };
     
-    SkeletonBinary::SkeletonBinary(Atlas& atlasArray) : _attachmentLoader(new (__FILE__, __LINE__) AtlasAttachmentLoader(atlasArray)), _error(), _scale(1), _ownsLoader(true) {
+    SkeletonBinary::SkeletonBinary(Atlas* atlasArray) : _attachmentLoader(new (__FILE__, __LINE__) AtlasAttachmentLoader(atlasArray)), _error(), _scale(1), _ownsLoader(true) {
 
     }
     
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
index 2718c6fc8..8d774d7c9 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
@@ -86,7 +86,7 @@
 #endif
 
 namespace Spine {
-    SkeletonJson::SkeletonJson(Atlas& atlas) : _attachmentLoader(new (__FILE__, __LINE__) AtlasAttachmentLoader(atlas)), _scale(1), _ownsLoader(true) {
+    SkeletonJson::SkeletonJson(Atlas* atlas) : _attachmentLoader(new (__FILE__, __LINE__) AtlasAttachmentLoader(atlas)), _scale(1), _ownsLoader(true) {
     }
     
     SkeletonJson::SkeletonJson(AttachmentLoader* attachmentLoader) : _attachmentLoader(attachmentLoader), _scale(1), _ownsLoader(false) {
diff --git a/spine-cpp/spine-cpp/src/spine/Skin.cpp b/spine-cpp/spine-cpp/src/spine/Skin.cpp
index 12c80620a..1e8785cb6 100644
--- a/spine-cpp/spine-cpp/src/spine/Skin.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Skin.cpp
@@ -57,6 +57,16 @@ namespace Spine {
     Skin::Skin(std::string name) : _name(name) {
         assert(_name.length() > 0);
     }
+
+    Skin::~Skin() {
+        HashMap<AttachmentKey, Attachment*, HashAttachmentKey>::Iterator i = _attachments.begin();
+        printf("Disposing skin\n");
+        for (; i != _attachments.end(); ++i) {
+            printf("%p %s\n", i.value(), i.value()->getName().c_str());
+			delete i.value();
+        }
+        printf("Disposing skin done\n");
+    }
     
     void Skin::addAttachment(int slotIndex, std::string name, Attachment* attachment) {
         assert(attachment);
@@ -70,7 +80,7 @@ namespace Spine {
         Attachment* ret = NULL;
         
         if (i != _attachments.end()) {
-            ret = i.second();
+            ret = i.value();
         }
         
         return ret;
@@ -78,16 +88,16 @@ namespace Spine {
     
     void Skin::findNamesForSlot(int slotIndex, Vector<std::string>& names) {
         for (HashMap<AttachmentKey, Attachment*, HashAttachmentKey>::Iterator i = _attachments.begin(); i != _attachments.end(); ++i) {
-            if (i.first()._slotIndex == slotIndex) {
-                names.push_back(i.first()._name);
+            if (i.key()._slotIndex == slotIndex) {
+                names.push_back(i.key()._name);
             }
         }
     }
     
     void Skin::findAttachmentsForSlot(int slotIndex, Vector<Attachment*>& attachments) {
         for (HashMap<AttachmentKey, Attachment*, HashAttachmentKey>::Iterator i = _attachments.begin(); i != _attachments.end(); ++i) {
-            if (i.first()._slotIndex == slotIndex) {
-                attachments.push_back(i.second());
+            if (i.key()._slotIndex == slotIndex) {
+                attachments.push_back(i.value());
             }
         }
     }
@@ -104,12 +114,12 @@ namespace Spine {
         Vector<Slot*>& slots = skeleton.getSlots();
         
         for (HashMap<AttachmentKey, Attachment*, HashAttachmentKey>::Iterator i = oldSkin.getAttachments().begin(); i != oldSkin.getAttachments().end(); ++i) {
-            int slotIndex = i.first()._slotIndex;
+            int slotIndex = i.key()._slotIndex;
             Slot* slot = slots[slotIndex];
             
-            if (slot->getAttachment() == i.second()) {
+            if (slot->getAttachment() == i.value()) {
                 Attachment* attachment = NULL;
-                if ((attachment = getAttachment(slotIndex, i.first()._name))) {
+                if ((attachment = getAttachment(slotIndex, i.key()._name))) {
                     slot->setAttachment(attachment);
                 }
             }
diff --git a/spine-cpp/spine-cpp/src/spine/SpineObject.cpp b/spine-cpp/spine-cpp/src/spine/SpineObject.cpp
index cab14625f..981ae040a 100644
--- a/spine-cpp/spine-cpp/src/spine/SpineObject.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SpineObject.cpp
@@ -34,11 +34,14 @@
 namespace Spine {
 
 	void *SpineObject::operator new(size_t sz, const char* file, int line) {
-		return SpineExtension::alloc<SpineObject>(sz, file, line);
+		return SpineExtension::calloc<SpineObject>(sz, file, line);
 	}
 
 	void SpineObject::operator delete(void *p) {
-		((SpineObject*)p)->~SpineObject();
 		SpineExtension::free(p, __FILE__, __LINE__);
 	}
+
+	SpineObject::~SpineObject() {
+		// Empty
+	}
 }
\ No newline at end of file
diff --git a/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp b/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
index b5ceccc75..c1355389e 100644
--- a/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
@@ -54,6 +54,10 @@ namespace Spine {
         _frames.reserve(frameCount * ENTRIES);
         _frames.setSize(frameCount * ENTRIES);
     }
+
+    TranslateTimeline::~TranslateTimeline() {
+        // Empty
+    }
     
     void TranslateTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
         Bone* boneP = skeleton._bones[_boneIndex];
diff --git a/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp b/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
index be8cc1f1e..879750098 100644
--- a/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
@@ -41,6 +41,10 @@ namespace Spine {
     VertexAttachment::VertexAttachment(std::string name) : Attachment(name), _worldVerticesLength(0), _id(getNextID()) {
         // Empty
     }
+
+    VertexAttachment::~VertexAttachment() {
+        // Empty
+    }
     
     void VertexAttachment::computeWorldVertices(Slot& slot, Vector<float>& worldVertices) {
         computeWorldVertices(slot, 0, _worldVerticesLength, worldVertices, 0);