Peer null Error In IPV6 address

[minkieyume]

Describe the bug
I tried to connet using an ipv6 address. but it return's error that peer get null.I checked the source code,seems about split(":") 's problem.
maybe problem is in this code:
var portsplit = hostname.split(":")

To Reproduce
Steps to reproduce the behavior:

1. connet using an ipv6 address

MultiPlay Core Version
You can locate the version by going to Project -> Tools -> MultiPlay Core -> Check for updates.
1.1.0-beta3

Additional context
Add any other context about the problem here.