Implemented Texture2D, TileHex, TileMapHex, and RenderWindow classes.
Added files to CMake project definition.
Implemented draw functionality for TileHex and TileMapHex.
Implemented TileHex scan function and padding for source images imported
by TileMapHex.
Finished scanning and output of voxelized image for TileMapHex.
Finished initial implementation of image voxelization.
Refactored image scanning for building hex map into separate scanner
class.
Started implementation of CSV lexer.
Merging