fix(classes.ipcchannel): Normalize heartbeatThrowOnTimeout option parsing and allow registering heartbeatTimeout via IpcChannel.on

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartipc',
-  version: '2.1.2',
+  version: '2.1.3',
   description: 'A library for node inter process communication, providing an easy-to-use API for IPC.'
 }