2.9.3: Rework exceptions
1. Allow substitute `CalledProcessError` 2. Modify exceptions class hierarchy 3. Expose **kwargs in stable places 4. Temporary disable black formatter: due to bug it's destroy py35 Signed-off-by: Alexey Stepanov <penguinolog@gmail.com> (cherry picked from commit 46b200934e7d86c8f04578a6070704fa82b2c3d8) Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>