devel/py-asn1: Update to 0.1.7

• Update to 0.1.7
• MASTER_SITES: Remove SF (CHEESESHOP is High-Available)
• Remove Python3 ready comment
• Add regression-test: target
• pkg-descr: Update WWW: URL

Changes:

• http://pyasn1.sourceforge.net/changes.html

QA: Ran 335 tests in 0.038s - OK

Approved by: maintainer (via email)