Initial commit :)
Switched to JSON as default (much faster) and ujson optionally
Fixed problem with CachingMiddleware, some refactoring
Added middlewares and CachingMiddleware
Added query caching and fixed some bugs
Added one more test for Middlewares
Minor fixes
Added Middleware for Concurrency
Adapted code to match PEP8
Some refactoring of the Middlewares
Added support for nested Middlewares
Added flush method to CachingMiddleware
Code formatting
Added test for CachingMiddleware.flush + small improvement
Refactored Tables to store data in dicts

This will come in handy when we will get items
by ID
Retrive elements by ID

New:
- get: by ID
- remove: by ID or list of IDs
- search: by list of IDs
Added warning for Table.get
Preparing for release to GitHub