Added redundant points on pieces for refiner & correct align bug
Add license to gameoptions
removealignedvertices: do not remove too many points
Assume MINGW has std::to_string & cosmetic changes
Split graphic from text: TextHandler & cosmetics
*handlers are no more pointers in gamehandler
Cosmetics: remove blanks at the end of the lines
inputhandler glfw: support keypad enter
Implemented DEBUG_AREALOSS in gamehandler
cutter: Fix remove_adjacent_duplicates bug (circular)