Debug commit
Added code to replace sprites with a checkerboard pattern in order
to identify filtering issues.
This version only renders DrawSprite()'s with the checkerboard pattern
for debugging purposes
cleaned up some unneeded stuff
if(WIN32 AND NOT UNIX) file(GLOB DLLs *.dll) file(GLOB ICOs *.ico) install(FILES ${DLLs} ${ICOs} DESTINATION bin)endif(WIN32 AND NOT UNIX)