Fail on wgl/glx
Update to unreachable macro
Clean up warning
Parse <feature> and <extensions>. Don't do anything with it yet.
Merge pull request #3 from cmr/master

Bunch of fixes
Only generate the commands and enums used be a given version+extensions
Add defaults to CLI and document what they are
Add more examples to generator's README
Update gl.rs for 4.3core
Restructure for rustpkg
Merge pull request #4 from cmr/master

Extensions revamp
Remove stale todo
Rename generator.rs to main.rs as per rustpkg conventions
Fix the generated gl.rs
Fail on getopts error, use default value when missing --type option
Merge pull request #5 from cmr/master

Fix the generated gl.rs
Default to core profile
Use *mut for non-const function parameters, omit c_void return types
Add LICENSE and AUTHORS, update README
Update examples