Support submit buttons in Button groups

Change-Id: I9ab98dfdebe98f203697826bd8c3ed94dd2bffa2
diff --git a/package.json b/package.json
index 0926451..84ac947 100755
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "Kalamar",
   "description": "Mojolicious-based Frontend for KorAP",
   "license": "BSD-2-Clause",
-  "version": "0.41.5",
+  "version": "0.41.6",
   "pluginVersion": "0.2.2",
   "engines": {
     "node": ">=6.0.0"