We were not checking the error value of `Kill` leading to deadlock if the
process didn't exist.
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
Add an option that allows users for force kill and delete a process/task
when calling `Delete`
Fixes#1274
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
