Made my own statusline.
Added vert split colors
Added custom tabline.

@kroogs showed me the X on the right of the tabline, and that
thing was completely nasty so I had to make  my own even though
I don't use tabs.
Added comment for split colors section.
Screw you, powerline. GTFO.
Added comment for gutter-related colors section.
Added comment for cursor-related color section