Make isLaziable work with wrapped lodash methods.

lodash.src.js

@@ -4278,7 +4278,15 @@
      */
     function isLaziable(func) {
       var funcName = getFuncName(func);
-      return !!funcName && func === lodash[funcName] && funcName in LazyWrapper.prototype;
+      if (!(funcName in LazyWrapper.prototype)) {
+        return false;
+      }
+      var other = lodash[funcName];
+      if (func === other) {
+        return true;
+      }
+      var data = getData(other);
+      return !!data && func === data[0];
     }
 
     /**