Preserve attribute feature
Better variable name
Handles cases where NOT configured for cleanup, but we still remove the preserve-- prefix. Also prunes trailing spaces
Merge pull request #71 from roblevintennis/preserve--attribute-feature

Preserve attribute feature
Release 0.4.1
Bump to 0.4.1
Created a Supplemental Features section of the readme. Currently only addresses preserve-- and currentColor.
Merge pull request #72 from roblevintennis/readme_tlc

Created a Supplemental Features section in the readme.