fixes #266 Adding input validation to yaml config parser
Fixes #266 and #267 which checks yaml input for duplicate keywords
fixing the errors for issues #266 and #267
updating the called methoed in the main function of the test file
Update blocks.py
updates to make issues #266 and #267 compatible with pep8
adding module level comment to file test_yaml_parse.py for issue #266 and #267
updating ticket #267 by changing test_late_preproc_pkl method
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Small typo fix
Merge pull request #838 from rbharath/typo

Small typo fix in dropout docstring.
Update linear.py
updating ticket #267 to improve coding style
Merge pull request #705 from SinaHonari/CCW4

fixes #266 Adding input validation to yaml config parser
Merge pull request #835 from saebrahimi/remove_dead_code

Update blocks.py
fix maxout mnist
fix cifar10, svhn