Add a failing bokeh test
Clean up the opening function
Give an explicit encoding
Write with encoding
Test ColumnDataSource data is what we expect
Convert columns to Series before going to list in ColumnDataSource

We need to pass usecols relative to the CSV file not the names parameter
We don't need that many rows to test
Skip on no bokeh
Need encoding for into(df, CSV)
No need for WIN
Clean up compat a bit
Use our csvopen function all over
Realign comment
Convert at the source
Make sure we don't break when Projection iscolumn

Add tests for into(pd.DataFrame, Column) and into(pd.Series, Column)
Revert _strtypes in compatibility
Remove extra space
Add test to make sure we can squeeze a Series out of a single column DataFrame
Implement into(Series, DataFrame)
Clean up imports