Fix EditorConfig Makefile selector

Bumped the spacing for the tabs to 4
Merge pull request #262 from nschonni/fix-editorconfig-format

Fix EditorConfig Makefile selector
getting interpolated comments to work
normalize the spacing
allowing selector-lists to have superfluous commas
working on url parsing
trying out the new url scanner
removing some commented-out code
fixing the over-eager munching of plain CSS imports
let's bump up the length check
need to check the lower bound too