Include a gitignore for the pandas 201 data dir
Include a gitignore for the pandas 201 data dir

jrmontag/Data-Science-45min-Intros,jrmontag/Data-Science-45min-Intros,jrmontag/Data-Science-45min-Intros,jrmontag/Data-Science-45min-Intros,jrmontag/Data-Science-45min-Intros