Fix hook order execution & argument consistency.

lib/before.js

@@ -59,11 +59,12 @@ module.exports = function(service) {
           result[name].push(fn);
         });
       });
-       
+
       var self = this;
 
       _.each(mixin, function(hooks, method){
-        _.each(hooks, function(hook){
+        // Reverse loop so hooks execute in correct order.
+        _.eachRight(hooks, function(hook){
           var obj = {};
           obj[method] = hook;
           self.mixin(obj);

lib/utils.js

@@ -44,7 +44,7 @@ exports.hookObject = function(method, args) {
 
 exports.makeArguments = function(hookObject) {
   var result = [];
-  if(hookObject.id) {
+  if(typeof hookObject.id !== 'undefined') {
     result.push(hookObject.id);
   }