study Js-sdsl Deque in place of denque

see https://github.com/mariadb-corporation/mariadb-connector-nodejs/issues/209

connector make intense use of deque, using npm denque package. MIT license Js-sdsl Deque package might be a replacement, announcing 3x the performance of denque.

So:

• ensure that package correspond to the needs
• benchmark used operation
• ensure code quality
• ...