fixes #4246 - add JSONInput formalizer

Adding a formalizer that can take as input either
a json string or path to a json file.
Merge pull request #77 from bbuckingham/issue-4246

fixes #4246 - add JSONInput formalizer
Fixes #3633 - store option -v into context
Merge pull request #82 from tstrachota/verbose_in_context

Fixes #3633 - store option -v into context
Fixes #3883 - persistent history in shell
Merge pull request #81 from tstrachota/shell_history

Fixes #3883 - persistent history in shell
fixes #4112 - cli main commands are now sorted
Merge pull request #83 from lzap/sort-commands-4112

fixes #4112 - cli main commands are now sorted
Fixes #4182 - completion of quoted values