Archived old OpenGL gaming core.

Kajetan Johannes Hammerle 1586ab7509 stack + tests, feedback in list if add works, remove from list is safe %!s(int64=4) %!d(string=hai) anos
math 9128c83af9 clean up %!s(int64=4) %!d(string=hai) anos
tests 1586ab7509 stack + tests, feedback in list if add works, remove from list is safe %!s(int64=4) %!d(string=hai) anos
utils 1586ab7509 stack + tests, feedback in list if add works, remove from list is safe %!s(int64=4) %!d(string=hai) anos
Main.cpp 1586ab7509 stack + tests, feedback in list if add works, remove from list is safe %!s(int64=4) %!d(string=hai) anos
meson.build 1586ab7509 stack + tests, feedback in list if add works, remove from list is safe %!s(int64=4) %!d(string=hai) anos