* fix W391
* E262
* E703
* W293
* some E
* E231
* some more E
* E225
* more E
* E252
* no tabs
* more tabs
* E701
* uds.py
* almost all of them
* only e265 left
* not sure why this is triggering on commented out code
* ignore esptool
* add support to can_unique.py for Cabana CSV format.
also fix python3 issue where open() was in binary mode, but we want text
mode.
* consolidate duplicated code
* fix typo caught by the linter
* Added pyflakes and Pylint for python
* Actually run linter in CI
* some simple pyflakes changes
* Add flake8 to panda reqs for linter test
* flake8 errors are fixed
* run flake8 in regression tests
* meant to run flake8
* hack to ignore unused import
* bug
* fix bugs in tucan_loopback
* Another fix by using set_safety_mode
* added pylintrc file
* more fixes and enabled pylint as well
* Fix pylint in circleci
* added linter to readme