fireEvent + graflow uses new-style fireEvent

buildoz.js

@@ -48,6 +48,16 @@ class Buildoz extends HTMLElement {
     getBZAttribute(attrName){ // Little helper for defaults
         return(this.getAttribute(attrName) || this.defaultAttrs[attrName] )
     }
+
+    fireEvent(eventName, detail){
+        let myname = this.tagName.toLocaleLowerCase()
+        myname = myname.substring(myname.indexOf('-')+1)
+        this.dispatchEvent(new CustomEvent(`bz:${myname}:${eventName}`, {
+            detail,
+            bubbles: true,
+            composed: true,
+        }))
+    }
 }
 
 class BZselect extends Buildoz {