Make a copy of the array, instead of referencing it as we are doing a…

… slice operation on the steps that is

preventing us from calling this function over and over again

plugins/crush.js

@@ -60,7 +60,7 @@ module.exports = function setup (options) {
 
     // setup
     var logger = this.logger
-      , steps = level[output.extension === 'js' ? configuration.level : 0]
+      , steps = level[output.extension === 'js' ? configuration.level : 0].slice(0)
       , compiled = output.content
       , errs = [];