fix compile error under newest rust
rm unnecessary owned conversion
Merge pull request #99 from dpx-infinity/master

Fixed codegen
Merge pull request #100 from andelf/update-for-newest-rust

fix compile error under newest rust
Replace flags.rs with stdlib bitflags macro
Merge pull request #103 from jcmoyer/bitflags

Replace flags.rs with stdlib bitflags macro
Upgraded to latest Rust
Merge pull request #104 from bvssvni/rustup_20140516

Upgraded to latest Rust
Update to latest Rust
Merge pull request #105 from bvssvni/rustup_20140517

Update to latest Rust