Generators are now building AST
Type aliases are now using `quote_item!`
gen_enum_item now returns an ast::Item
to_rust_ty now returns a ast::Ty
Turn more code in global_gen into AST generating code
Now using AST for parameters and return type generation
Partially ASTify write_failing_fns
Add some documentation
Temporarily switch to tomaka/rust-xml until netvl/rust-xml#11 is merged
Merge pull request #177 from bjz/temp-fix

Temporarily switch to tomaka/rust-xml until netvl/rust-xml#11 is merged
Fix deprecation warnings
Merge pull request #173 from tomaka/cleanup-3

Clean up implementation (step 3)
Fix warnings in gl_generator
Use MacItems instead of a custom MacResult impl
Merge pull request #179 from tomaka/macitems

Use MacItems instead of a custom MacResult impl
Merge pull request #180 from tomaka/fix-warnings

Fix warnings in gl_generator
Use include_bin instead of include_str in khronos_api
Merge pull request #181 from tomaka/fix-src-bin

Use include_bin instead of include_str in khronos_api