Coinflip for Deepbot

Commands - all begin with !coinflip:
ALL USERS ->
!coinflip start [points] [ct/t] - Starts a coinflip on either T or CT for the number of points
!coinflip join [id] - Joins a coinflip with the specified ID
!coinflip cancel [id] - Mods or the user who created the flip with the specified ID can cancel and have gold returned to them
!coinflip info [id] - Gives info on coinflip with specified ID
!coinflip list - Lists all open coinflips
!coinflip help - Sends this pastebin link
!coinflip source - Outputs the source code for the coinflips
!coinflip edge - Outputs the house edge for the coinflip winnings
MOD ONLY COMMANDS ->
!coinflip broadcast - Sends a command via the bot advertising coinflips
!coinflip restart - Restarts the bot