v3.4.0

• Remove oauth2client in favor of google-auth #472, #529 (#637 by @BigHeadGeorge)

• Convert oauth2client credentials to google-auth (#711 by @aiguofer)

• Remove unnecessary login() from gspread.authorize

• Fix sheet name quoting issue (#554, #636, #716):

  • Add quotes to worksheet title for get_all_values (#640 by @grlbrwrg, #717 by @zynaxsoft)
  • Escaping title containing single quotes with double quotes (#730 by @vijay-shanker)
  • Use utils.absolute_range_name() to handle range names (#748)

• Fix numericise(): add underscores test to work in python2 and <python3.6 (#622 by @epicfaace)

• Add supportsAllDrives to Drive API requests (#709 by @justinr1234)

• Add Worksheet.merge_cells() (#713 by @lavigne958)

• Improve Worksheet.merge_cells() and add merge_type parameter (#742 by @aiguofer)

• Add Worksheet.sort() (#639 by @kirillgashkov)

• Add ability to reorder worksheets #570 (#571 by @robin900)

  • Add Spreadsheet.reorder_worksheets()
  • Add Worksheet.update_index()

• Add test_update_cell_objects (#698 by @ogroleg)

• Add Worksheet.append_rows() (#556 by @martinwarby, #694 by @fabytm)

• Add Worksheet.delete_rows() (#615 by @deverlex)

• Add Python 3.8 to Travis CI (#738 by @artemrys)

• Speed up Client.open() by querying files by title in Google Drive (#684 by @aiguofer)

• Add freeze, set_basic_filter and clear_basic_filter methods to Worksheet (#574 by @aiguofer)

• Use Drive API v3 for creating and deleting spreadsheets (#573 by @aiguofer)

• Implement value_render_option in get_all_values (#648 by @mklaber)

• Set position of a newly added worksheet (#688 by @djmgit)

• Add url properties for Spreadsheet and Worksheet (#725 by @CrossNox)

• Update docs: "APIs & auth" menu deprecation, remove outdated images in oauth2.rst (#706 by @manasouza)