Fixed backspace
Added singleton class
Removed debug info
Added GL macro for indication of including gl.h and glu.h. Hate this..../
Removed useless macro
Fixed cmd string erase check
Fixed all names. Also fixed some type conversion warnings.
Added gl.h and glu.h macro. Fixed headers. Fixed parent class for gui. Added ttos<>() from utility.h. Removed hdrstop for a while. Don`t think it is too necessary here.
Changed branch info. Removed iostream header. Start working on game field.
Added sgui. Start working on game field.