Issue 301 - Change for each to for .. of .. in lib/

lib/filterClasses.js

Index: lib/filterClasses.js
===================================================================
--- a/lib/filterClasses.js
+++ b/lib/filterClasses.js
@@ -572,17 +572,17 @@ RegExpFilter.fromText = function(text)
   let thirdParty = null;
   let collapse = null;
   let options;
   let match = (text.indexOf("$") >= 0 ? Filter.optionsRegExp.exec(text) : null);
   if (match)
   {
     options = match[1].toUpperCase().split(",");
     text = match.input.substr(0, match.index);
-    for each (let option in options)
+    for (let option of options)
     {
       let value = null;
       let separatorIndex = option.indexOf("=");
       if (separatorIndex >= 0)
       {
         value = option.substr(separatorIndex + 1);
         option = option.substr(0, separatorIndex);
       }
@@ -795,17 +795,17 @@ ElemHideBase.fromText = function(text, d
   {
     if (tagName == "*")
       tagName = "";
 
     let id = null;
     let additional = "";
     if (attrRules) {
       attrRules = attrRules.match(/\([\w\-]+(?:[$^*]?=[^\(\)"]*)?\)/g);
-      for each (let rule in attrRules) {
+      for (let rule of attrRules) {
         rule = rule.substr(1, rule.length - 2);
         let separatorPos = rule.indexOf("=");
         if (separatorPos > 0) {
           rule = rule.replace(/=/, '="') + '"';
           additional += "[" + rule + "]";
         }
         else {
           if (id)