Revert "Update __init__.py"
Revert "Update __init__.py"

This reverts commit 5664de6610de024e09b35d919a10c715370bd539.

The commit introduced a specific implementation of WheelClient.cmd()
that calls low(fun, low) method passing args as low argument that's
wrong, args and kwargs should be packed into low that should be a dict.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt