preparing release 1.8.1

commiting 1.7.4 version for release

V1.7.3 release

1.7.2 release

since we had a vulnerability fixed, we were suggested to release CK a…

…s a new subversion

fixing new version 1.6.16

tagging new version

forgot to add new cfg module to setup.py (fixing wrong installation u…

…sing pypi)

preparing for new release

removing debug print