Merge pull request #161 from jeffalbion/v0.18.1

Update package.json to 0.18.1

Author: jeffalbion

package.json

@@ -6,7 +6,7 @@
   ],
   "name": "hdb",
   "description": "SAP HANA Database Client for Node",
-  "version": "0.18.0",
+  "version": "0.18.1",
   "repository": {
     "type": "git",
     "url": "git://github.com/SAP/node-hdb.git"