Added premake4.lua file, to create projects more easily, still WIP.

Cleaned up a little bit the MemoryManager, i'm looking how to make it work when
eepp is compiled as a shared library.

include/eepp/window/cwindow.hpp

@@ -346,15 +346,9 @@ class EE_API cWindow {
 				cTimeElapsed *	FrameElapsed;
 				eeFloat			ElapsedTime;
 
-				cFrameData() :
-					FrameElapsed(NULL),
-					ElapsedTime(0)
-				{}
+				cFrameData();
 
-				~cFrameData()
-				{
-					eeSAFE_DELETE( FrameElapsed );
-				}
+				~cFrameData();
 		};
 
 		cFrameData mFrameData;