replace "git config ..." with self.get_cfg()
use GitConfigParser for checking fullname and email
use repo.config_reader() to get actual git config
fix whitespace
remove another popen()
get terminal size in a python3 compatible form
Merge branch 'olf/configure-with-get-cfg' into develop
separate comment and match with a '--'
add critical section to take_ticket()

+ quit when no change would be made
+ check for errors when commiting the change
add critical section to leave_ticket()

+ quit when no change would be made
+ check for errors when commiting the change
fixup! add critical section to take_ticket()

+ fix message printed oon success
fix sha7 string
add whitespace between functions
rewrite reopen_ticket with saving critical section
fixup! add critical section to leave_ticket()

+ fix changing working directory
add #EOF
rewrite finish_ticket() with critical section
removed unneeded command
be more verbose before deleting a ticket
rewrite rm() with a critical section