Flex-cli

**Full Changelog**: https://github.com/a42ss/flex-cli/compare/0.1.21...0.1.22

The project has a lot of messy scripts and boilerplate, as this release is only MVP.

Dependencies:
'fire>=0.4.0',
'pinject>=0.14.1',
'prompt_toolkit>=3.0',
'PyYAML',
'jsonschema',
'pyfiglet',
'blessings',
'invoke'

**Full Changelog**: https://github.com/a42ss/flex-cli/compare/0.1.9...0.1.20