1.4.1: Use process tree and kill tree instead of parent only. Fix #90 (#92)
* Use process tree and kill tree instead of parent only. Fix #90 Bump to 1.4.1 Signed-off-by: Alexey Stepanov <penguinolog@gmail.com> * Force to close FIFO buffers instead of waiting for garbage collector Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>