• update to 2.1
• trim Makefile header
• change MASTER_SITES to CHEESESHOP
• add license (BSD)
• add dependency on py-six (this port now works both with python2 and python3 from the same codebase via py-six)
• adjust possible python versions accordingly
• add tests
• clean-up pkg-descr

PR: 174672 (based on)
Submitted by: Alexey V. Degtyarev <alexey@renatasystems.org>
Approved by: nivit (maintainer, by mail)