Log Message:
CHANGES IN RPy 0.3.1
--------------------
Fixed bugs

o There was several memory leaks due to bad management of Python
  refcounts.

o There was wrong synchronization of the thread running the R event
  loop and the calls to the R interpreter.

o There was a bug with signal handling which caused segfault when
  'Ctrl-C' were pressed.

o The R event loop shouldn't be run in non-interactive sessions.

o The i/o Python callbacks were wrong synchronized with the R event
  loop thread.

New features

o Added a rpy_version symbol.