Travis doesn't like build versions.

Author: joshstoik1

composer.json

@@ -11,7 +11,7 @@
     "ICANN",
     "IDN"
   ],
-  "version": "0.4-0",
+  "version": "0.4.0",
   "type": "library",
   "homepage": "https:\/\/github.com\/Blobfolio\/blob-domain",
   "license": "WTFPL",