Add hooks and include mixins

lib/hooks.js

@@ -1,10 +1,11 @@
-/**
+/*!
  * Module exports
  */
 module.exports = Hookable;
 
-/**
- * Hooks mixins
+/*
+ * Hooks object.
+ * @class Hookable
  */
 
 function Hookable() {

lib/include.js

@@ -36,7 +36,7 @@ function Inclusion() {
  *``` Passport.include(passports, {owner: [{posts: 'images'}, 'passports']}); 
  *
  * @param {Array} objects Array of instances
- * @param {String}, {Object} or {Array} include Which relations to load.
+ * @param {String|Object|Array} include Which relations to load.
  * @param {Function} cb Callback called when relations are loaded
  * 
  */