Change interface to stem from wrapped driver.

[jaridmargolin]

🙀 when you change the entire interface of a library you created a week before

[coveralls]

Coverage decreased (-18.9%) to 74.834% when pulling 59b0e7d on driver into 594bd47 on master.

[coveralls]

Coverage decreased (-1.7%) to 92.053% when pulling db500b8 on driver into 594bd47 on master.

[coveralls]

Coverage increased (+0.3%) to 94.04% when pulling cac5f25 on driver into 594bd47 on master.

[coveralls]

Coverage increased (+1.7%) to 95.364% when pulling cac5f25 on driver into 594bd47 on master.