Run cake shell using same user
Run cake shell using same user

Run cake shell as the same user each time,
to avoid creating temporary files (like cache)
that are not writable in the second run.

Closes #45.

Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2