Replaced 'parser' objects with objects that model stylesheets
Changes to package.json before submission to npm
Creation of a function to filter metrics by type
Refactored aggregation of data into functions
Code style violation fixes
Merge of origin/master into master
Fixed counting of long and short form colour hashes as different hashes
Merge branch 'master' of github.com:katiefenn/parker

Conflicts:
	lib/StylesheetParser.js