adding simple ttl logic
Merge pull request #3 from chadlung/master

Some PEP8 fixes, clean up setup.py meta data
minor fixes
Merge branch 'master' of github.com:zinic/pyzmqache
cleaning up the config stuf - minor refactoring - docsf
more cleanup
pep8 clean up
unit tests for CacheItem and SimpleCache
unit tests on simplecache
Merge pull request #5 from aelkikhia/master

unit tests and pep8 cleanup
Fixed a few issues, modify unit tests so they execute under nose