Fork of glfw/glfw for stable development of hx-glfw3 lib.
The reason to fork glfw at all has been invalidated now with more recent GLFW versions. You should not use this repository anymore!
All callback methods are modified to include a user data void* pointer argument that is passed
to the provided function as its last argument.
This is to support an easier interface in the haxe FFI for haxe callbacks.