Added IndexSpace class
Added support for concatenation in IndexSpace.np_format_as
Fixed bug with dtype and cleaned up mnist for PEP8 compliance
ProjectionLayer
Removed breakpoints
Revert "Fixed bug with dtype and cleaned up mnist for PEP8 compliance"

This reverts commit dff5a603ea0c67b3e46bd17c0dffa8ea5f263928.
Revert "Removed breakpoints"

This reverts commit 3ee5f7212cd2508c742744aff3a5f2041403bed0.
Revert "ProjectionLayer"

This reverts commit e3ff609a9cb3aea5292a355f2fd283076b517eff.
Revert the revert...
Dummy commit.
Finished np_format_as, extended documentation, changed nclasses => num_classes
scipy.sparse import for IndexSpace
Put all the one-hot formatting in the OneHotFormat class
PEP8 cleanup, fixed documentation + raise bug
Added support for stacked one-hot Theano vectors when input is 1D. Also fixed dimension test.
Wrote more required IndexSpace methods.
Merge branch 'master' of github.com:bartvm/pylearn2
Deleted blank line
Support stacking one-hot vectors for batches.
Consistent variable names