Making regex a constant
Using messages in cmdSend in CommandParser
Using messages in cmdReceive in CommandParser
Fixing inconsistent messages on missing arguments in commands
Using messages in cmdReject in CommandParser
Using messages in cmdCancel in CommandParser
Using messages in cmdMsg in CommandParser
Using messages in cmdNick in CommandParser
Using messages in cmdUsers in CommandParser
Using messages in cmdTransfers in CommandParser
Using messages in cmdUnknown in CommandParser
Using messages in sendFile in CommandParser
Using messages in cancelFileTransfer in CommandParser