Created notebook about dataframe import and export (to and form) cvs files.
Raw Cotahist provider implemented and tested.
Reorganized ipython notebook names.
Partial commit: working on splits and joins norlization prototipation on ipython.
Partial commit: Basic byproduct providers.
Partial commit: Basic byproduct providers with tests passing. One test missing...
Partial commit: Basic byproduct providers with tests passing; Test util function created to assert provider correctness using datafiles; One test still missing...
Basic byproduct providers with tests passing; Should test loading subrages from the available data...
Merge branch 'split'
Mergin locator branch.
Corrected merge errors.
Corrected some tests that failed because of merge.