made sekizai Python 3.2 compatible
added sekizai.helpers.Watcher
Fixed README

Fixes #6
Added strip flag to addtoblock

Fixes #10
moved templates into the package

fixes #23
added classifiers to setup.py (Python 3 support!)
0.7 release

* Python 3 support!
* 'strip' flag for addtoblock
* Watcher API (for caching)
* Various bug fixes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sekizai/templatetags/sekizai_tags.py
	sekizai/tests.py