fix(isProfaneLike): fix case sensitive checks within list

pass case insensitive flag to regexp constructor

#24

Author: web-mech

lib/badwords.js

@@ -41,7 +41,7 @@ var Filter = (function() {
   Filter.prototype.isProfaneLike = function profaneLike(word) {
     return !!~this.exclude.indexOf(word) ? false : !!~this.list.indexOf(word) || this.list
       .map(function(w) {
-        return new RegExp(w.replace(/(\W)/g, '\\$1'));
+        return new RegExp(w.replace(/(\W)/g, '\\$1'), 'gi');
       }, this)
       .reduce(function(outcome, wordExp) {
         if (wordExp.test(word)) {