Release Name: 4.0

Notes:
Robot Co-op REST web services base class. This library makes it easy to
implement REST-like web services APIs.


Changes:
== 4.0

* rc-rest now depends on Net::HTTP::Persistent.
* URI::HTTP stubs no longer work.  Use rc_rest/net_http_persistent_stub
  instead.  See Net::HTTP::Persistent for details.