bump version

component.json

@@ -2,7 +2,7 @@
   "name": "c3",
   "repo": "masayuki0812/c3",
   "description": "A D3-based reusable chart library",
-  "version": "0.1.39",
+  "version": "0.1.40",
   "keywords": [],
   "dependencies": {
     "mbostock/d3": "*"

package.json

 {
   "name": "c3",
-  "version": "0.1.39",
+  "version": "0.1.40",
   "description": "D3-based reusable chart library",
   "main": "c3.js",
   "scripts": {