Added functions for creating version annotations, more tests
Add some tagset tests, check for multple tagsets
Merging changes from 2013 OME User Meeting
Comment out dependency_links from setup.py

Out of date, but the github master HEAD doesn't work with pip install at present, see https://github.com/wnd-charm/wnd-charm/issues/3
Update install instructions in README
Remove Long_Running_Script_Test.py and __init__.py
Change pychrm to wnd-charm
Add note that pychrm setup.py needs to be run twice
Fix delete in tests
Add version annotations to all pychrm tables
Update tests to checked attached version annotations
Added some version handling to scripts.

Not yet tested
Added additional test case

The combination of a TagAnnotation on a file, and that file being a FileAnnotation on a project/dataset, seems to go wrong
Add workaround for mysteriously race condition
Add method for deleting tags and tagsets
Add test of deleteTags, cleanup deletes in test_PychrmStorage
Add method for unlinking annotations
Test unlinkAnnotations
Check whether list of annotations is empty
Change test to check an OriginalFileAnnotation