styleframe 3.0.1

on Python PyPI

Removed Python 2.7 support

Added Python 3.8 support

Renamed package name to styleframe (all lowercase) in accordance of PEP8

Added .style accessor. This allows for easy selection/indexing based on style, for example:
sf.loc[sf['col_name'].style.bg_color == utils.colors.yellow]

or

sf.loc[~sf['col_name'].style.bold]

Added default_grid to utils.borders to allow usage of the default spreadsheet grid

Added read_excel_as_template method

Fixed a bug that prevented saving if read_excel was used with use_openpxl_style=True, see github issue #67

Allowing usage of pathlib.Path in to_excel, see github issue #69

Added ability to execute the tests from the commandline: styleframe --test