Changed regex to allow digits and hyphens in event names

kss.js

 /*
-*  KSS-RPC v0.24-beta
+*  KSS-RPC v0.25-beta
 *
 *  Copyright (c) 2017, joonis new media
 *  Author: Thimo Kraemer <thimo.kraemer@joonis.de>
@@ -61,7 +61,7 @@
  ******************************************************************************************/
 
 var kss = {
-    version: '0.24-beta',
+    version: '0.25-beta',
     _initialized: false,
     _ruleSheets: {},
     _nodeRegister: {},
@@ -1659,7 +1659,7 @@ kss.Parser.prototype = {
         var ret = [];
         // Check for events
         for (var i=0; i<sel.length; i++) {
-            m = sel[i].match(/^\s*(.+)\s*:\s*([a-z]+)\s*$/);
+            m = sel[i].match(/^\s*(.+)\s*:\s*([a-z0-9_-]+)\s*$/);
             if (!m) this.error('selector "' + sel[i] + '" missing event');
             else ret.push({selector: m[1], event: m[2]});
         }