Changed setting export_methods to export_methods.update
Implemented __setattr__ on DefaultRemoteProxy; Fixed bug where typedat was
not being cached properly and new proxy types were being created for each
new object; Fixed raw_get|set_attribute and added tests for them; Fixed bug
where proxy classes defined in define_common() were not being used; Added
compression (off by default); Added function to profile server requests;
Fixed race condition with ThreadedClient
Updated CHANGELOG
Re-wrote docstrings as epytext and added gen_epydoc.sh