Bugfix Forms

- fixed some multicol-related bugs

Signed-off-by: Dirk Jesse <office@highresolution.info>
Merge branch 'v4.1.0' of https://github.com/djesse/yaml4-sass

Conflicts:
	demos/css/custom-grids.css
	demos/css/flexible-columns.css
	demos/css/flexible-grids.css
	demos/css/rtl-support.css
	docs/assets/css/layout.css
	sass/yaml/forms/gray-theme.scss
	yaml/forms/gray-theme.css