Added extensible post effect pipeline - Warning this is only tested on Android and it might not even compile on other platforms
Separated declaration from implementation for Math library
Fixed errors from last commit and also separated GLSLShader implementation from declaration
Fixed error when loading PNG on linux
Moved file reader classes in new folder
Added buffered resource reader for better performance
Added sample .ini file for further testing
Moved string utilities from misc to new colection StringEx
Added new functionalities
Fixed usage of StringEx