bump version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mesh-tree",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Utility functions for traversing the Medical Subject Heading (MeSH) tree",
   "main": "dist/index.js",
   "scripts": {
@@ -35,7 +35,7 @@
     "url": "https://github.com/scienceai/mesh-tree/issues"
   },
   "devDependencies": {
-    "babel": "^5.8.23",
+    "babel": "^5.8.29",
     "babel-eslint": "^4.1.1",
     "chai": "^3.2.0",
     "coveralls": "^2.11.4",
@@ -44,14 +44,14 @@
     "mocha": "^2.2.5"
   },
   "dependencies": {
-    "babel-runtime": "^5.8.24",
+    "babel-runtime": "^5.8.29",
     "bluebird": "^2.10.2",
     "co": "^4.6.0",
     "level": "^1.3.0",
-    "level-party": "^2.1.2",
-    "levelgraph": "^1.0.0",
+    "levelgraph": "git://github.com/transcranial/levelgraph.git#multilevel-new",
     "levelgraph-n3": "^1.0.0",
     "lodash": "^3.10.1",
+    "multilevel": "^7.2.0",
     "request": "^2.65.0"
   }
 }