First cut at a gevent connection class.

It seems to kind of work. The integration tests aren't working
right; that needs to be fixed before first. A simple test of the
basic functionality seems to work, but I've not yet tested the
recovery/retry and other execptional conditions.
Remove unused set.
Clean up.
Clean-up and refactor.
Use gevent as default connection class when monkey patched.
Bring back the timeout.
Small cleanup.
Don't ignore encoded names from a TypeString.
1.0.2 Release
Minor doc fixes, raise version to 1.0.2.post
Minor cleanup, add unit test for parsing

Affects #90
Use unittest2 for tests.unit.test_types
Merge branch 'type_parsing'
Update changelog
Support for static columns
Docstring update, changelog update for static columns
Handle "type" column not being present
Merge branch 'master' into gevent

Conflicts:
	cassandra/cluster.py
	cassandra/connection.py
De-duplicate Connection implementations
Ignore setuptools eggs, too