Django-cachalot

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- Adds thread-safety
- Optimizes the amount of cache queries during transaction

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- Adds memcached support

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- Adds ``CACHALOT_ENABLED`` & ``CACHALOT_CACHE`` settings
- Allows settings to be dynamically overridden using ``cachalot_settings``
- Adds some missing tests

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- Fixes ``pip install``.

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- Adds Travis CI and adds compatibility for:

- Django 1.6 & 1.7
- Python 2.6, 2.7, 3.2, 3.3, & 3.4
- locmem & Redis
- SQLite, PostgreSQL, MySQL

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- Handles transactions
- Adds lots of tests for complex cases