v4.0.0

• Changed Worksheet.find() method returns None if nothing is found (#899 by @GastonBC)

• Add Worksheet.batch_clear() to clear multiple ranges. (#897 by @lavigne958)

• Fix copy_permission argument comparison in Client.copy() method (#898 by @lavigne958)

• Alow creation of spreadhsheets in a shared drive (#895 by @lavigne958)

• Allow gspread.oauth() to accept a custom credential file (#891 by @slmtpz)

• Update tox.ini, remove python2 from env list (#887 by @cclaus)

• Add SpreadSheet.get_worksheet_by_id() method (#857 by @a-crovetto)

• Fix store_credentials() when authorized_user_filename is passed (#884 by @neuenmuller)

• Remove python2 (#879 by @lavigne958)

• Use Makefile to run tests (#883 by @lavigne958)

• Update documentation Authentication:For End Users using OAuth Client ID (#835 by @ManuNaEira)

• Allow fetching named ranges from Worksheet.range() (#809 by @agatti)

• Update README to only mention python3.3+ (#877 by @lavigne958)

• Fetch creation and lastUpdate time from SpreadSheet on open (#872 by @lavigne958)

• Fix bug with Worksheet.insert_row() with value_input_option argument (#873 by @elijabesu)

• Fix typos in doc and comments (#868 by @cclauss)

• Auto cast numeric values from sheet cells to python int or float (#866 by @lavigne958)

• Add Worksheet.get_values() method (#775 by @burnash)

• Allow gspread.oauth() to accept a custom filename (#847 by @bastienboutonnet)

• Document dictionary credentials auth (#860 by @dmytrostriletskyi)

• Add Worksheet.get_note() (#855 by @water-ghosts )

• Add steps for creating new keys (#856 by @hanzala-sohrab)

• Add folder_id argument to Client.copy() (#851 by @punnerud)

• Fix typos in docstrings (#848 by @dgilman)