Frank3K/grunt-svgstore — pull request #1 by Frank3K (2014-06-28 20:56:51+00:00)
Title: Changed the way ID are collected. 

All referenced IDs are collected and mapped to unique IDs. Unreferenced IDs are removed in order to save space and clutter. Furthermore, the md5()-function is only called when really necessary which leads to (micro) time optimizations.