making after hooks work even if the params argument was missing

lib/utils.js

@@ -5,17 +5,17 @@ var _ = require('lodash');
 function getOrRemove(args) {
   return {
     id: args[0],
-    params: args[1],
-    callback: args[2]
+    params: _.isFunction(args[1]) ? {} : args[1],
+    callback: _.isFunction(args[1]) ? args[1] : args[2]
   };
 }
 
 function updateOrPatch(args) {
   return {
     id: args[0],
     data: args[1],
-    params: args[2],
-    callback: args[3]
+    params: _.isFunction(args[2]) ? {} : args[2],
+    callback: _.isFunction(args[2]) ? args[2] : args[3]
   };
 }
 
@@ -58,8 +58,14 @@ exports.makeArguments = function(hookObject) {
     result.push(hookObject.data);
   }
 
-  result.push(hookObject.params || {});
-  result.push(hookObject.callback);
+  if(_.isFunction(hookObject.params)) {
+    result.push({});
+    result.push(hookObject.params);
+  }
+  else {
+    result.push(hookObject.params || {});
+    result.push(hookObject.callback);
+  }
 
   return result;
 };