update requirements
remove distribute setup
remove distribute_setup import
add ChangeLog
implement generic safe_summary method
test safe_summary method
fix testcases
add /venv/
update ChangeLog
add bcrypt to requirements.txt
add setup.py version, get version from git if present
spelling in ChangeLog
Fix ldap_md5 and ldap_sha1 converters in Python 3
remove the custom clean target, we don't need it
add Makefile used for releases and testproject
remove Python2.6 and 3.1 quantifiers