Flake8 add global __request__ to config
Autopep8 E265
Flake8 codebase

Fixes error E265 and E714 that have been added to newest version of pep8
[GTKUI] Allow the Tabs area to be resized smaller

 * Tabs can now be scrolled if too many for height.
 * Change window_pane_position default to 235, based on default 480 window height.
 * Set the vpaned size before show call.
 * Reduce top padding and set bottom padding to 2, to account for decender letters.
[Extractor] Fix absolute/relative import
Fix RTD badge in readme