mongo_driver 0.2.3

Mongo Rust driver built on top of the Mongo C driver
Documentation 
# 0.2.2
* Publicly export MongoErrorDomain and MongoErrorCode

# 0.2.1
* Add documentation url to Cargo.toml

# 0.2.0
* Refactored API, less namespaces than before.
* Upgrade Mongo C driver to 1.3.1
* Now dual licensed as both Apache and MIT

# 0.1.0
* Initial release