Add coveralls.io config to .travis.yml
Uhg typo, it's --use-mirrors
Explicitly add test_fakeredis to travis config
Add coveralls badge to README
Use other python coveralls package

Maybe it's the package, but I'm getting a lot
of irrelevant data that's polluting coverage.
Use triple quote for docstring

For consistency and pep257.
Last attempt for coveralls, use coverage directly
Remove unused variable in test
Update email address
Add contributing guide
Bump version number

Next version will be 0.4.0.
updated requirements
updated tests for TestRealRedis test-case
wake up tests: redis 2.7.6 compatibility
setnx implementation complying with test_set_should_accept_nx
renamed test method
expiring keys support
set px implementation
implemented set xx
refactorings, integrating expiration feature into setex, implemented psetex