diff --git a/.gitignore b/.gitignore
index 02c5d17..1d1f219 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 
 # ignore IDE settings
 .idea
+olingo-odata4-js.iml
 
 # ignore local config
 localgrunt.config
diff --git a/grunt-config/custom-tasks/rat/package.json b/grunt-config/custom-tasks/rat/package.json
index 0c374c7..e9dba2a 100644
--- a/grunt-config/custom-tasks/rat/package.json
+++ b/grunt-config/custom-tasks/rat/package.json
@@ -14,12 +14,9 @@
     "chalk": "~0.4.0"
   },
   "devDependencies": {
-    "async": "^0.9.0",
-    "grunt": "~0.4.0",
-    "xml2js": "^0.4.4"
-  },
-  "peerDependencies": {
-    "grunt": "~0.4.0"
+    "async": "0.9.0",
+    "grunt": "0.4.0",
+    "xml2js": "0.4.4"
   },
   "engines": {
     "node": ">=0.8.0"
diff --git a/grunt-config/custom-tasks/toBrowser/wrapper-tpl.js b/grunt-config/custom-tasks/toBrowser/wrapper-tpl.js
index 9c335db..47741e2 100644
--- a/grunt-config/custom-tasks/toBrowser/wrapper-tpl.js
+++ b/grunt-config/custom-tasks/toBrowser/wrapper-tpl.js
@@ -29,10 +29,6 @@
     if (modules[name]) { return modules[name].exports; }
 
     modules[name] = { exports : {}};
-    console.log(name);
-    if (name === 'sou') {
-      var i = 0;
-    }
     datas[name].call(this,modules[name].exports,modules[name],require);
     return modules[name].exports;
   };
diff --git a/grunt-config/rat-config.js b/grunt-config/rat-config.js
index 2ee5b77..0c7b0ad 100644
--- a/grunt-config/rat-config.js
+++ b/grunt-config/rat-config.js
@@ -27,7 +27,7 @@
         exclude: [
           "node_modules","_extern-tools",".gitignore","package.json","JSLib",
           "DEPENDENCIES","LICENSE","NOTICE",
-          "JSLib.sln","package.json", "mocha.opts","info.txt"
+          "JSLib.sln","package.json", "mocha.opts","info.txt","olingo-odata4-js.iml"
         ] },
       files: [
         /*{ src: ['./../_dist/<%= artifactname %>/doc'], options:{ tag:"dist-doc"}},generated*/
@@ -45,7 +45,7 @@
         exclude: [
           "node_modules","_extern-tools",".gitignore","package.json","JSLib",
           "DEPENDENCIES","LICENSE","NOTICE",
-          "JSLib.sln","package.json", "mocha.opts","info.txt"
+          "JSLib.sln","package.json", "mocha.opts","info.txt","olingo-odata4-js.iml"
         ] },
       files: [
         { src: ['./lib'], options:{ tag:"lib"}},
diff --git a/package.json b/package.json
index 044cb81..5916159 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "url": "http://git-wip-us.apache.org/repos/asf/olingo-odata4-js.git"
   },
   "engines": {
-    "node": ">= 0.10.0"
+    "node": ">= 0.12.0"
   },
   "contributors": [
     {
@@ -33,17 +33,17 @@
     "preinstall": "npm --prefix ./grunt-config/custom-tasks/rat install"
   },
   "devDependencies": {
-    "chai": "^2.0.0",
-    "grunt": "^0.4.5",
-    "grunt-connect-proxy": "^0.1.10",
-    "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-compress": "^0.10.0",
-    "grunt-contrib-copy": "^0.5.0",
-    "grunt-contrib-uglify": "^0.4.0",
-    "grunt-curl": "^2.0.2",
-    "grunt-jsdoc": "^0.5.6",
-    "grunt-nuget": "^0.1.3",
-    "mocha": "^2.1.0",
-    "xmldom": "^0.1.19"
+    "chai": "2.0.0",
+    "grunt": "0.4.5",
+    "grunt-connect-proxy": "0.1.10",
+    "grunt-contrib-clean": "0.6.0",
+    "grunt-contrib-compress": "0.10.0",
+    "grunt-contrib-copy": "0.5.0",
+    "grunt-contrib-uglify": "0.4.0",
+    "grunt-curl": "2.0.2",
+    "grunt-jsdoc": "0.5.6",
+    "grunt-nuget": "0.1.3",
+    "mocha": "2.1.0",
+    "xmldom": "0.1.19"
   }
 }