supports pickle in python 2 or 3
encode cachename before hashing
added _total_seconds() method
setup tox to handle 2.6,2.7,3.1,3.2,3.3 tests
made tox tests verbose
changed docs to reflect pickle instead of cpickle
using distribute
switched back to distutils
added docs env to tox
added python versions to setup.py
shortened test_fcace.test_get timer
updated prereqs in docs
Merge branch 'feature/python3.3' into develop
changed boolean tests to implicit tests
added *default* arg to get() method
invalidate's key arg is now optional
removed get's *default* functionality and added set_default method
noted that invalidate method changed in v0.3
noted that invalidate method was added in v0.2
noted that get method changed in v0.2