Error: lobby.lua:370: attempt to index global 'udp' (a nil value)

[DartPower]

When a changing any settings by clicking Check button
Online Menu > Create Game

Error: lobby.lua:370: attempt to index global 'udp' (a nil value)
stack traceback:
lobby.lua:370: in function 'func'
gui.lua:624: in function 'click'
main.lua:1781: in function main.lua:1744
main.lua:58: in function main.lua:41
[C]: in function 'xpcall'

P.S. On current version (Mar 23, 2015 commit)

[EntranceJew]

This stems from not changing instances of udp:send to their client/server version accordingly server_udp:send.
Fixing this issue will probably reveal a few other issues in the mix.

@HammerGuy You wanna try it when you have some time between making graphics? I'll be busy with getting dependency-resolution stable and back into master for a while.