Update requirements and add option to spin up extra drivers.
Update pip, setuptools, pytest, and ipdb versions.
Remove selenium 2.53.6 option for selenium 3.x.x only.
Add get_new_driver() method to spin up additional drivers for tests.
Update pip, setuptools, pytest, and ipdb versions.
Remove selenium 2.53.6 option for selenium 3.x.x only.
Add get_new_driver() method to spin up additional drivers for tests.