removed disclaimer (now that there are unit tests)
Merge branch 'master' of github.com:lisa-lab/pylearn2
Update for changed interface in Theano.

See: https://github.com/Theano/Theano/commit/b5af34062e5226492e4a9f7ae05c3ebea46c3f84
Corrections from lamblin.
PEP8, remove useless backslashes.
BUG: int arithmetic from reimplementing total_seconds.
Merge pull request #495 from dwf/fix_timing

Fix timing
Merge branch 'master' of github.com:lisa-lab/pylearn2
whitespace
added exception to prevent bug
cleaned up imports
instance-level customization of error handling for Spaces
custom error handler explaining the one-hot issue
removed debugging assert
remove debugging assert
white space
changed ValueError to NotImplementedError
made one_hot_callback pickle-able
fixed signatures of OneHotCallback
Merge pull request #496 from goodfeli/one_hot

Better handling of integer versus one hot class labels