Circleclient

++++++++++++++++++

* Updated documentation

++++++++++++++++++

* Filter recent builds by build status: completed, successful, failed, running

++++++++++++++++++

* Retrieving information about single and multiple builds.
* Retrieving a limited number of builds with optional offset.
* Retrieving build information about specific branch.

++++++++++++++++++

* Add support for parametrized builds
* Add support for listing build artifacts

++++++++++++++++++

* Add support for clearing cache

++++++++++++++++++

* Add support for retrying builds