Batspp

Added
* Implemented functionality to run regression tests with Jupyter (ipynb) files.

Added
* Added token ">" that works as "$", used optionally for long commands with multiples lines

Fix
* Fixed long expected outputs not working.
* Fixed comments inside commands lines not working.

Fix
* fixed path argument not working with dir paths and autogenerating output filenames to save Bats content

Fix
- Aliases in assertion setup blocks not being loaded, added "shopt -s expand_aliases"
- Functions inside generated Bats tests not working due to the scope, removed external functions to run these assertions

Fix
* Solved exceptions raised by parser being catched and bad wrapped as "not founded test ..."

Changed
* Added contribute short documentation.
* Removed coverage and setuptools from production requirements.
* Optimized imports, reduced its load.

Fixed
* Solved importation errors with local modules.
* Directives as Test, Setup, Continue, Continuation and Teardown not being parsed correctly on embedded tests.