Bump version to 0.4.0

Author: xam-ps

composer.json

@@ -2,7 +2,7 @@
     "name": "laso/project",
     "type": "project",
     "description": "Laravel annual statment online (a small online tool to do the annual statement in Germany for one person companies)",
-    "version": "0.3.1",
+    "version": "0.4.0",
     "keywords": [
         "laravel",
         "framework"
@@ -68,4 +68,4 @@
     },
     "minimum-stability": "stable",
     "prefer-stable": true
-}
+}