Update redis python library version

Fix missing attribute error

Version 2.3 - updates SPDX tools version

Version 2.2 of the SPDX License Matcher

Merge pull request spdx#13 from spdx/python3

Update jpype version

Merge pull request spdx#12 from rtgdk/python3

Update tool to python3 and fix requirement differences, update REAME

Version 1.0 of the spdx-license-matcher