Updated to latest Rust.
Merge pull request #60 from dylanmckay/update-rust

Update to latest Rust
Re-export namespaced enum variants

Enums in Rust are now namespaced.
To adapt to this without changing the API, we simply re-export the
enum variants where appropriate.

The goal is to fix the build.
The API can be changed later to properly make use of this new behavior,
if desired.
Merge pull request #61 from crumblingstatue/namespaced_enums

Re-export namespaced enum variants
fix to last rust:
- std::slice::raw::buf_as_slice -> std::slice::from_raw_buf
- native don't exist anymore, removed from examples
remove use of libnative from readme
update to last Rust
- impl trait Copy
- namespaced enums in examples
Updated to Rust master

The operator traits in `std` were changed to take their arguments as values, not references.