pop method
void
pop()
Implementation
void pop() {
var popped = items.removeAt(0);
log.info('<<<<<<<<<<<');
log.info('History after pop (${popped.route})');
log.info('<<<<<<<<<<<');
items.forEach((item) {
log.info(' - ${item.route} isPage:${item.isPage}, tab: ${item.currTab}');
});
log.info('<<<<<<<<<<<');
}