adding tests that show how to read in data from CSV files.

Signed-off-by: AJ Rossini <blindglobe@gmail.com>
working on new test cases for reading in CSV files as well as cleaning up how to load.

Signed-off-by: AJ Rossini <blindglobe@gmail.com>
data-frame and row access examples.  Includes how to read data from a file.

export data-frame-columns (vector of vector/strand objects)

Signed-off-by: AJ Rossini <blindglobe@gmail.com>
example of loading CSV data added to unittests.
All tests pass.

Signed-off-by: AJ Rossini <blindglobe@gmail.com>
cleanup work.

Signed-off-by: AJ Rossini <blindglobe@gmail.com>
added case$ example row extraction generic function.

Signed-off-by: AJ Rossini <blindglobe@gmail.com>