Test transactions
Working with arbitrary clients

HotClient and Base now supports taking an arbitrary client, for example from a separate connection pool or a legacy system.
Merge pull request #1 from jmizgajski/arbitrary-client

Working with arbitrary clients
Merge branch 'master' of github.com:jmizgajski/hot-redis into feature/collections_using_Redis_SortedSet

Conflicts:
	hot_redis/types.py