Update dependencies

Author: holm

package.json

@@ -3,7 +3,7 @@
   "version": "0.9.0",
   "devDependencies": {
     "mocha": "*",
-    "should": "~1.2.2"
+    "should": "^11.2.1"
   },
   "main": "./lib",
   "repository": "https://github.com/auth0/node-xml-encryption",
@@ -19,11 +19,11 @@
   ],
   "license": "MIT",
   "dependencies": {
+    "async": "^2.1.5",
+    "ejs": "^2.5.6",
+    "node-forge": "^0.7.0",
     "xmldom": "~0.1.15",
-    "ejs": "~0.8.3",
-    "async": "~0.2.7",
-    "xpath": "0.0.5",
-    "node-forge": "0.6.38"
+    "xpath": "0.0.24"
   },
   "scripts": {
     "test": "mocha"