PyPi release 1.7.0

What's Changed

Includes backwards-compatible API additions, bugfixes, and performance improvements.

• Model apply speedup by @karlcz in #171
• Take advantage of schema patterns in sample ACL files by @ljpearlman in #169
• Cloning fixes by @mikedarcy in #172
• Upload directory archive preprocessing by @mikedarcy in #173
• Catalog resolve rid by @karlcz in #175
• Drop support for Python2 and make Python 3.8 the min required version. by @mikedarcy in #176

Full Changelog: v1.6.3...v1.7.0