diff --git a/.gitignore b/.gitignore
index d0064313e..c32fc32a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ spine-libgdx/libs/gdx-backend-lwjgl-natives.jar
 spine-libgdx/libs/gdx-backend-lwjgl.jar
 spine-libgdx/libs/gdx-natives.jar
 spine-libgdx/libs/gdx.jar
+target
\ No newline at end of file
diff --git a/README b/README
new file mode 100644
index 000000000..e8f355026
--- /dev/null
+++ b/README
@@ -0,0 +1,7 @@
+# Spine Runtimes
+
+This project hosts the runtimes needed to use [Spine](http://esotericsoftware.com/) 2D skeletal animations with various game toolkits.
+
+The code provided here is currently under development and is subject to change.
+
+Documentation is being worked on and will be provided as soon as possible.
\ No newline at end of file
diff --git a/spine-cpp/.cproject b/spine-cpp/.cproject
index f7b81f9ee..3a8e10aed 100644
--- a/spine-cpp/.cproject
+++ b/spine-cpp/.cproject
@@ -32,13 +32,13 @@
 									<listOptionValue builtIn="false" value="&quot;C:\Users\Nate\Desktop\SFML-2.0-rc\include&quot;"/>
 								</option>
 								<option id="gnu.cpp.compiler.option.warnings.allwarn.2053349441" name="All warnings (-Wall)" superClass="gnu.cpp.compiler.option.warnings.allwarn" value="false" valueType="boolean"/>
-								<option id="gnu.cpp.compiler.option.preprocessor.def.1463772359" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def" valueType="definedSymbols"/>
+								<option id="gnu.cpp.compiler.option.preprocessor.def.1463772359" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def"/>
 								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.1445618618" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug.344670633" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug">
 								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.mingw.exe.debug.option.optimization.level.1455011160" name="Optimization Level" superClass="gnu.c.compiler.mingw.exe.debug.option.optimization.level" valueType="enumerated"/>
 								<option id="gnu.c.compiler.mingw.exe.debug.option.debugging.level.242859432" name="Debug Level" superClass="gnu.c.compiler.mingw.exe.debug.option.debugging.level" value="gnu.c.debugging.level.max" valueType="enumerated"/>
-								<option id="gnu.c.compiler.option.include.paths.991681732" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" valueType="includePath"/>
+								<option id="gnu.c.compiler.option.include.paths.991681732" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths"/>
 								<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.753970334" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug.913061526" name="MinGW C Linker" superClass="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug"/>
@@ -140,4 +140,16 @@
 		</configuration>
 	</storageModule>
 	<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
+		<buildTargets>
+			<target name="moo" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments/>
+				<buildTarget>moo</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+		</buildTargets>
+	</storageModule>
 </cproject>
diff --git a/spine-cpp/includes/spine-sfml/Skeleton.h b/spine-cpp/includes/spine-sfml/Skeleton.h
index 825e8abe3..e5d8d90a1 100644
--- a/spine-cpp/includes/spine-sfml/Skeleton.h
+++ b/spine-cpp/includes/spine-sfml/Skeleton.h
@@ -12,7 +12,7 @@ public:
 
 	Skeleton (SkeletonData *skeletonData);
 
-	void draw (sf::RenderTarget& target, sf::RenderStates states) const;
+	virtual void draw (sf::RenderTarget& target, sf::RenderStates states) const;
 };
 
 } /* namespace spine */
diff --git a/spine-cpp/includes/spine/Animation.h b/spine-cpp/includes/spine/Animation.h
index c6ca45874..4e243d74a 100644
--- a/spine-cpp/includes/spine/Animation.h
+++ b/spine-cpp/includes/spine/Animation.h
@@ -38,7 +38,7 @@ public:
 	float *curves; // dfx, dfy, ddfx, ddfy, dddfx, dddfy, ...
 
 	CurveTimeline (int keyframeCount);
-	~CurveTimeline ();
+	virtual ~CurveTimeline ();
 
 	void setLinear (int keyframeIndex);
 
@@ -61,7 +61,7 @@ public:
 	int boneIndex;
 
 	RotateTimeline (int keyframeCount);
-	~RotateTimeline ();
+	virtual ~RotateTimeline ();
 
 	virtual float getDuration () = 0;
 	virtual int getKeyframeCount () = 0;
@@ -79,7 +79,7 @@ public:
 	int boneIndex;
 
 	TranslateTimeline (int keyframeCount);
-	~TranslateTimeline ();
+	virtual ~TranslateTimeline ();
 
 	virtual float getDuration () = 0;
 	virtual int getKeyframeCount () = 0;
@@ -108,7 +108,7 @@ public:
 	int slotIndex;
 
 	ColorTimeline (int keyframeCount);
-	~ColorTimeline ();
+	virtual ~ColorTimeline ();
 
 	virtual float getDuration () = 0;
 	virtual int getKeyframeCount () = 0;
@@ -127,7 +127,7 @@ public:
 	int slotIndex;
 
 	AttachmentTimeline (int keyframeCount);
-	~AttachmentTimeline ();
+	virtual ~AttachmentTimeline ();
 
 	virtual float getDuration () = 0;
 	virtual int getKeyframeCount () = 0;
diff --git a/spine-cpp/includes/spine/BaseRegionAttachment.h b/spine-cpp/includes/spine/BaseRegionAttachment.h
index 08344187f..d32ee2b1f 100644
--- a/spine-cpp/includes/spine/BaseRegionAttachment.h
+++ b/spine-cpp/includes/spine/BaseRegionAttachment.h
@@ -11,9 +11,6 @@ class BaseRegionAttachment: public Attachment {
 public:
 	float offset[8];
 
-	BaseRegionAttachment ();
-	~BaseRegionAttachment ();
-
 	void updateOffset ();
 
 	virtual void updateWorldVertices (Bone *bone) = 0;
diff --git a/spine-cpp/includes/spine/BaseSkeleton.h b/spine-cpp/includes/spine/BaseSkeleton.h
index b0a3d35da..b8dcc2dba 100644
--- a/spine-cpp/includes/spine/BaseSkeleton.h
+++ b/spine-cpp/includes/spine/BaseSkeleton.h
@@ -24,7 +24,7 @@ public:
 	bool flipX, flipY;
 
 	BaseSkeleton (SkeletonData *data);
-	~BaseSkeleton ();
+	virtual ~BaseSkeleton ();
 
 	void updateWorldTransform ();
 
diff --git a/spine-cpp/includes/spine/BaseSkeletonJson.h b/spine-cpp/includes/spine/BaseSkeletonJson.h
index 2d80a73e7..90f730978 100644
--- a/spine-cpp/includes/spine/BaseSkeletonJson.h
+++ b/spine-cpp/includes/spine/BaseSkeletonJson.h
@@ -14,6 +14,7 @@ public:
 	float scale;
 
 	BaseSkeletonJson (BaseAttachmentLoader *attachmentLoader);
+	virtual ~BaseSkeletonJson ();
 
 	SkeletonData* readSkeletonData (const char *begin, const char *end) const;
 	SkeletonData* readSkeletonData (const std::string &json) const;
diff --git a/spine-cpp/src/spine/BaseRegionAttachment.cpp b/spine-cpp/src/spine/BaseRegionAttachment.cpp
index cfe1b6e3f..ed83f6604 100644
--- a/spine-cpp/src/spine/BaseRegionAttachment.cpp
+++ b/spine-cpp/src/spine/BaseRegionAttachment.cpp
@@ -3,12 +3,6 @@
 
 namespace spine {
 
-BaseRegionAttachment::BaseRegionAttachment () {
-}
-
-BaseRegionAttachment::~BaseRegionAttachment () {
-}
-
 void BaseRegionAttachment::updateOffset () {
 	float localX2 = width / 2;
 	float localY2 = height / 2;
diff --git a/spine-cpp/src/spine/BaseSkeletonJson.cpp b/spine-cpp/src/spine/BaseSkeletonJson.cpp
index 479c5d5ce..2ae9f2c1c 100644
--- a/spine-cpp/src/spine/BaseSkeletonJson.cpp
+++ b/spine-cpp/src/spine/BaseSkeletonJson.cpp
@@ -20,6 +20,9 @@ BaseSkeletonJson::BaseSkeletonJson (BaseAttachmentLoader *attachmentLoader) :
 				scale(1) {
 }
 
+BaseSkeletonJson::~BaseSkeletonJson () {
+}
+
 float toColor (const string &value, int index) {
 	if (value.size() != 8) throw runtime_error("Error parsing color, length must be 8: " + value);
 	char *p;