Fix #34

Document XML format
Bump version
Move version to separate file

I keep forgetting to update the version number in setup.py. Fix that.
Add test for regression #34
Improve commenting
Merge branch 'master' into develop

Conflicts:
	alfred-workflow.zip
Rename README.txt to README.rst
Improve formatting
Refactor and improve docs
Improve docs and clarify behaviour
Bump version, rebuild zipped library