Doc strings! Also, some logging.
Added test cases to test_deproxy.py.
Merge branch 'docs' into develop
Merge branch 'unittests' into develop
Converted the deproxy.py module into a package.
Moved test code into the tests/ folder.
Moved the Request and Response classes, and the handler functions out to their own modules.
Moved Handling, MessageChain, and several utility function out to their own modules.
pep8
Merge branch 're-org' into develop