Implemented request body reading by letting RequestBuffer implement Reader
Rust update: `extra::time` has moved out to a separate library
Rust update: `HashSet` moved to libcollections
Rust update: The `ToStr` trait will be replaced wit `Show`
Merge pull request #62 from Ogeon/master

Implemented request body reading
Rust update: FromStr is gone from the prelude.

mozilla/rust#12485
Rust update: ToStrRadix is gone from the prelude.

mozilla/rust#12485
Make it work with latest Rust
Merge pull request #63 from Rust-Skane/master

Make test_utils.rs work with latest Rust
Impl Show for RequestUri.
s/[u8, ..N]/~[u8]/ in tests so it gets fmt::Show.
A little more [T, ..N] → &[T].