rm -f humor

--HG--
branch : 0.9
extra : rebase_source : fb2f58c4a0cda9b67ba86ee59d39b2b6387c35eb
refactored error handling: use an ErrorException to simplify handling non-exceptions

--HG--
branch : 0.9
extra : rebase_source : e5a743a64f1d637b7dd1650cb9718358134f6f60
Added tag v0.9.0-alpha1 for changeset ba05ae000842

--HG--
branch : 0.9