working
Got function decoration working.

Still need to do the descriptor/etc for bound methods.
First working draft. Note temporary new test file test_new.py
Docstrings
Regularized __init__ for ObservedFunction and ObservedBoundMethod
Got rid of test_new.py and am doing tests in testBase.py.
Finished rewrite. Almost all tests pass.
Fixed bug in which update_wrapper messed up the weak ref logic.

I still don't understand _why_ this was happening, so I left a note in the code.
Updated README to reflect recent changes.
Clarified README
More clarification on README
Made dedicated examples directory.
Clarified example.py and added some comments in the code.
Added a note about CPython compatibility
testBase.py -> testBase.py
Example showing identify_observed=True
example.py->basic-usage.py
Explained changes in v0.5
Fixed names exported by observed package
bumped version number :D