Bump up to 4.0.1 correctly

Author: vishnugopal

package.json

@@ -2,7 +2,7 @@
     "name": "@doist/reactist",
     "description": "Open source React components by Doist",
     "author": "Henning Muszynski <henning@doist.com> (http://doist.com)",
-    "version": "4.0.0",
+    "version": "4.0.1",
     "license": "MIT",
     "homepage": "https://github.com/Doist/reactist#readme",
     "repository": "git+https://github.com/Doist/reactist.git",