Changelog for courier-0.1.0.9

0.1.0.9

* Added HelloWorld example, and updated code sample in documentation to reflect
  working with the current API
  
* Early implementation of synchronous RPCs on top of endpoints, with basic unit tests.
  Both single and group RPCs are implemented, as are calls with definite and indefinite
  waits for responses.

* Removed dependency on network-simple

* Improved documentation throughout.

0.1.0.8

0.1.0.7

0.1.0.6