Make it work with Python 2.6
Make it compatible with Debian
convertUiFiles: Add auto detection for ui files
Makefile: Improve testing (pytest-pep8 needed)
Context loader for the tests
Implement multiParentTree class incl. tests
Rewrite tagModel using MultiParentTree
Implement sqlDBChecker
Add config for pytest
Improve code style according to pep8
Show knowledge of the currently selected tag and all child tags
Avoid that all tags are displayed if no tags where found by the filter
Encapsulate knowledge reloading in KnowledgeModel
Implement filter for knowledge
Add clear buttons for filters in UI
README: Add "first run" preperations
context.py: joining paths in the python way
Increase number of maximum tag ID