Don't remove 0 in compactLite

lib/utils.js

@@ -30,6 +30,9 @@ var Utils = module.exports = {
 
         return result
       },
+      /*
+       * Returns an array with some falsy values removed. The values null, "", undefined and NaN are considered falsey.
+       */
       compactLite: function(array) {
         var index = -1,
           length = array ? array.length : 0,
@@ -37,7 +40,7 @@ var Utils = module.exports = {
 
         while (++index < length) {
           var value = array[index];
-          if (typeof value === "boolean" || value) {
+          if (typeof value === "boolean" || value === 0 || value) {
             result.push(value);
           }
         }
@@ -214,7 +217,7 @@ var Utils = module.exports = {
       }
     }
 
-    return [text.join(' AND ')].concat(whereArgs)
+    return Utils._.compactLite([text.join(' AND ')].concat(whereArgs))
   },
   getWhereLogic: function(logic) {
     switch (logic) {