Add tests which validate XML using XSD.

Updating the design of the email opt in end point.

Updating API call based on new Org Model.

This library was originally written to trace local variables. In the
more than two years since it was originally written, the only update it
has received was to remove PEP8/PyLint/quality violations.

It's hard to imagine that this is still useful to anyone, though I'm
open to discussion.

TNL-406: Long component title causes horizontal scroll
updated the SASS file to address the horizontal scroll issue in long
component titles’ hover bubble.

between brackets

TNL-536

divide_chemical_expression: map/filter on lambda could be replaced by
comprehension

Command.handle: Invalid name "d" for type variable
(should match [a-z_][a-z0-9_]{2,30}$)

between brackets

for visual indent

for visual indent

for hanging indent

does not distinguish itself from next logical line

visual indentation

indentation of opening bracket's line

indentation or outdented

is not a multiple of four

PLAT-299

if import restores a deleted draft element which was never published
PLAT_297

TNL-822
TNL-825

Added bokchoy tests and assets (csv files) for CSV auto reg and enrollment.
Set the env flag "ALLOW_AUTOMATED_SIGNUPS": true in bok_choy.env.json

Resolved quality issues.

resolved cherry pick conflicts

Improved bokchoy tests as per code review suggestions.

added the BDD in the docstrings for all the test scenarios

changed the bok choy test string

Improved bokchoy tests as per further code review suggestions.

Made a MembershipPageAutoEnrollSection a separate PageObject.

TNL-395