Removed useless call in WarningMsg
Moved 'noa sil' modifiers
width and height can be set separately
disable folding in distract free window
textwidth should be set to the width of the resulting window
Make left column wider than right column (e.g. let the window look more centered)
updated documentation
If g:distractfree_enable_normalmode_stl=1

Custom statusline is allowed in Normal mode during Distract Free mode
updated documentation