BT composite that executes tasks in turn for as long as they return [code]SUCCESS[/code]. BT composite that executes child tasks from first to last for as long as they return [code]SUCCESS[/code]. Returns [code]RUNNING[/code] if a task returns [code]RUNNING[/code], and remembers last [code]RUNNING[/code] child. BTSequence will continue where it left off on the next execution tick. Returns [code]FAILURE[/code] if any task returns [code]FAILURE[/code]. Returns [code]SUCCESS[/code] if all tasks return [code]SUCCESS[/code].