Initial hacks toward reimplementing cache_thing() in Lua
Merge branch 'master' into scripting

Conflicts:
	cacheops/query.py
Merge branch 'master' into scripting

Conflicts:
	cacheops/query.py
Ported cache_thing() to Lua
Added GenericRel serialization
Test for GenericRel
Merge pull request #70 from erthalion/generic_rel

GenericRel stringify
Updated CHANGELOG to reflect generic relations support
Better benches
Merge branch 'master' into scripting

Conflicts:
	cacheops/query.py
Proper ignore SQLEvaluator in dnf construction
Merge branch 'master' into scripting
Rewrite invalidation in Lua
Refactor cache_thing()

- extract lua to external file
- remove debugging output
Add zip_safe parameter to setup
Small refactor in cache thing

- timeout is always non empty
- move comment about invalidator timeout to more appropriate place
Python 3 compatible benches
Added some benchmarks to compare master and scripting
Updated README

- require redis 2.6
- remove TODO item
Added tests for weird field types

- date, datetime, time
- list
- custom object