AMQ: Fix delay showing updated mult/q list (K1TTT) (Coded by N1MM)

AMQ: Sped up display of spot after selection (Coded by N1MM)

AMQ: Don't allow attempt freq change while transmitting (K3CT) (Coded by N1MM)

AMQ: Fix RTE when deleting spots (AA3B) (Coded by N1MM)

AMQ: Prevent AMQ from changing frequency of transmitting radio (via Click, Alt+A, or Alt+B) (Coded by N1MM)

Fixed miscellaneous compile warnings. No visible effect (Coded by K3CT)