Added sprites (WIP)
Merge branch 'sprites' of ssh://github.com/KPWhiver/DimLib into sprites
It now compiles
Added include files to add_library, for better IDE support
Removed an unnecessary print
-Made DimLib window creator independant (work still needs to be done in GUI)
-Made shaders use a vertex shader based on the fragment's version
-Changed the timing in timer to a steady_clock instead of the system_clock
-Fixed bullet inclusions
-Fixed some potential segfaults
-Added hash functionality to the OnePair template class
-Fixed some minor boolean calculation bugs
-Made some functions constexpr
-Added library finding mechanisms to cmake files
-Made DimLib default to generating a static library
-Added functionality to Camera to set the height and width
Merge branch 'master' of ssh://github.com/KPWhiver/DimLib into sprites