# What's new in 0.18.0

* More test cases
* Value::fifo()/to_fifo() - creates FIFO queue
* Value::queue()/to_queue() - creates LIFO queue
* Value::cast_queue() - returns first element of queue
* Value.cast_fifo() - returns first element of fifo
* Value.pull() removes last element from LIST/RESULT/FIFO or first element from QUEUE
* Value.car()/.cdr() supports QUEUE and FIFO