wrap call with try catch

src/router.js

@@ -19,6 +19,7 @@ class Router {
   }
 
   call (callid, name, fn, args) {
+    try {
       servicesList[name][fn](args, (error, data) => {
         var response = {
           id: callid,
@@ -29,6 +30,18 @@ class Router {
         }
         this.websocket.send(JSON.stringify(response))
       })
+    } catch (e) {
+      var msg = 'Unexpected Error ' + e.message
+      console.log('\x1b[31m%s\x1b[0m', '[ERR] ' + msg)
+      if (this.websocket) {
+        this.websocket.send(JSON.stringify({
+          id: callid,
+          type: 'reply',
+          scope: name,
+          error: msg
+        }))
+      }
+    }
   }
 }