improved json loader
unittest-like test
Context holder
Too big refactory. Adapter pattern for storage backend. Now it's possible to store ACL data in DB
Small improvenent for special methods
GPLv3+ License
LGPLv2+
Rename ContextHolder to Context
2to3
Fixed minor bug
minor Python 2.* compatible improvements
Merge remote-tracking branch 'evotech/master'

Conflicts:
	simpleacl/__init__.py