Release/v1.12.2 (#581)

* Remove leftover reference to Python 3.5 support (#563)

Support for Python 3.5 was dropped in #556, so it should not be listed
as a supported version in the README.

* Update CHANGES

* Feature/v1.12.2/connected app login (#574)

* add support for connected app

Add connected app support

* add connected app support

add connected app support

* Update __version__.py

* add tests for connected app login

* clean up formatting

* clean up formatting

* Update login.py

fix pylint errors

* Update api.py

fix pylint errors

* Update CHANGES

* Update README.rst

update read me for connected app and helper functions/related recordsq uery

* Bug/v1.12.2/bulk autosize batch (#575)

* add waits as arguments to exposed bulk api methods (#565)

* add waits as arguments to simple salesforce top level queries

* fix missing wait pass-through

* obey line length rules

* clean up trailing whitespace

* Update CHANGES

* Update bulk.py

fix adding of int to string in bulk autosize batches

* Update bulk.py

fix autosize batching

* Update bulk.py

add ability to bypass results being returned

* Update bulk.py

Co-authored-by: Lewington-pitsos <lewingtonpitsos@gmail.com>

* Feature/v1.12.2/connected app login (#576)

* add support for connected app

Add connected app support

* add connected app support

add connected app support

* Update __version__.py

* add tests for connected app login

* clean up formatting

* clean up formatting

* Update login.py

fix pylint errors

* Update api.py

fix pylint errors

* Update CHANGES

* Update README.rst

update read me for connected app and helper functions/related recordsq uery

* Avoid a ZeroDivisionError in bulk.py (#568)

* Raise an error if no data provided in bulk queries

* Update bulk.py

fix trailing whitespace

Co-authored-by: JonWobken <49450080+jon-wobken@users.noreply.github.com>

* Update api.py

Co-authored-by: Ed Morley <501702+edmorley@users.noreply.github.com>
Co-authored-by: Lewington-pitsos <lewingtonpitsos@gmail.com>
Co-authored-by: Vandan <vandanadhvaryu99@gmail.com>