Bump version: 0.3.0.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "redux-sac",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Slice and compose redux-type reducers.",
   "main": "lib/node.js",
   "scripts": {