Change version to 2.2a1, edit info in setup.py.
Fix missing import in setup.py.
Add develop documentation file.
Change start script into setuptools entry point.
Finalize conversion to setuptools.
Create simple failing test that opens nested table.
Automate file opening and data retrieval test.
Add more nodes for testing, add file close.
Add all datasets to open and read test.
Comment out datasets that lead to errors on open.
Coment out example files modified by test.
Create test that opens example files and reads data.

Datasets that throw exceptions or modified on read are commented out
and need bug fixing.
Move logger to dock widget.
Switch error ouput of querydlg from print to logger.
Switch to logger and cleaned up querymgr.
Switch vtconfig to logger.
Remove hand test from logger.py.
Clean up buffer and fix logger.py problem.
Fix logger mistake and partially switch tree model.
Switch dbdoc to logger.