Removed unnecessary import.
Added fallback for sqlalchemy and expire checks.
Updated the readme support.
Added support for redis.
Added support for floating point timedelta.
Added coverage for create_store.
Added tests for pymongo, only on py2.
Added tests for sqlalchemy.
Added tests for the memory storage.
Removed code-block from readme.
Added tests for coerce_timedelta.
Added basic test setup for creating storage mechanisms.
Added a gitignore file.
Renamed memstore to memory.
Initial commit with support for memory and sqlalchemy backends.