Add functionality to save multi-method to print to *out*
Update the documentation of save multimethod
Making (set-data) calls on charts work with datasets and column names
Adding some documentation to charts
in sel for dataset, only return a list if :rows is numeric
when indexing a timeseries, simplify single row to a list
explicitly write that add-lines is like xy-plot

should fix #93
fix documentation for decomp-svd
limit the type parameter's value to given set of types
update unit test to match new row select behavior for single row
Merge pull request #143 from farrellm/sel-1

in sel for dataset, return a dataset unless :rows is numeric
Make consistent with behavior for rows

when single column is specified as collection, then return dataset, if column is specified
is number or keyword, then return it as vector (old behavior)
Merge pull request #123 from ezephyr/master

"Enhance" save multi-method to be able to print to std-out
Merge pull request #127 from lionandoil/master

Making (set-data) calls on charts work with datasets and column names