class PesterMemo(PesterConvo):
    def __init__()
    def updateMood: pass
    def updateBlocked
    def updateColor: pass
    def addMessage
    def notifyNewMessage
    def clearNewMessage
    def changeTheme

    slot
    def sentMessage

    messageSent - signal -> sendMessage -> sendMessage(Memo)
    windowClosed - signal -> closeMemo

    self.textInput
    self.textArea