* Button class is now completed:
 * It sores number of short and long pressures in a sequence.
 * In case a sequence is started pressures are counted till
"timeOut4SequenceMilli" of no
 * pressure.
 * When a sequence is available it lasts for "expireSequenceMilli" long.
 * When a sequence is available successive pressure aren't counted
 * If a sequence is on going keeping the button pressed for
"resetSequenceMilli"
 * resets counters and clear the sequence
 */