30%

Added 30% column.

Updated dev dependencies

1.2.2

Fixed version.

Last-of-type

This release, fixes a "forgoten" change in the last release where first-of-type should be changed to last-of-type.

Right is right

This changes the default behaviour of columns to have margin-right instead of margin-left, preventing columns from having wrong alignment when falling to lines other than the first.

1.1.1

Fixed Readme.