regen

fix instructions

add contributing section

update bindings

regenerate bindings

update README with info about naming

update bindings

update bindings from latest glad

update bindings

generate.sh: explicitly request python3

some distros don't have the python -> python3 symlink

update README

update bindings

update README

add various bindings

remove manually-written bindings

update README

update README

update use path

update README

add binding up to OpenGL 1.3