major fixes, doubled the number of test cases. Still looking for an open Active Direvtory to test against.
Merge branch 'master' of github.com:pycontribs/activedirectory

# By Bogdan Marchis
# Via Bogdan Marchis
* 'master' of github.com:pycontribs/activedirectory:
  changed filter_str to the correct one and parse r[0] correctly
  changed filter_str to the correct one and parse r[0] correctly

Conflicts:
	activedirectory/activedirectory.py