1.2.1

1.2.1

untight the dependency on jinja2 from ^2.11 to >=2.11

1.2.0

• switch test to pytest
• Use jinja_base for debug printing template files
• Add Environment customization for kwargs, filters, tests, globals, and policies
• Refactor debug printing and fix urllib import
• Use debug in tests - currently breaks on 3.7+
• Add CI environments for 3.6, 3.7, 3.8, 3.9, and 3.10
• Add requirements to requirements.txt and setup.py
• Add MIT license file
• README.rst: add debug option
• README.rst: fix formatting