Testing selector list iterator.
Testing declaration list iterator.
Renamed property `$version->revision` => `$version->patch` to be more inline with semantic versioning terminology.
Removing legacy rule_preprocess hook code.
Moving to `git describe` style output in cli version reporting.
Refactoring. Moving methods from Rule to SelectorList and DeclarationList.
Removed implied declaration iteration from Rule objects. Iterate on `$rule->declarations` instead.
Changed `Regex::make` to accept spaces around substitutions.
Rewritten selector grouping expansion to play nicer with selector aliases.
Adding Collections.
Added ini file parsing helper.
Applying new collection method.
Dropped CollectionInterface; overkill at this stage.
Merge branch 'master' of github.com:peteboere/css-crush

Conflicts:
	lib/CssCrush/CssCrush.php
Removing ms gradient aliases
Refactoring out static uid variables on svg-gradients plugin to avoid testing issues.
Moving selector minification into selector toString.