While we might never be able to have 100% of our code strict, we can at
the very least do it for all of our tests. This ensures that our tests
are using our API with the types as intended by the test author, and not
silently be cast to what our API requires.
* Fix Unintential Deprecated Calls - Everything Else
I think it's best to install these before PR #3166. This one, which I hope to be the last in this series, does have some minor changes to source code, as well as to doc-blocks and to test members which continue to inadvertently use calls to deprecated functions.
* Some Remaining Deprecations in Tests
Fix them now.
* Minor Docblock Updates
Worksheet::unprotectCellsByColumnAndRow was incorrect. Other changes are cosmetic, leading to slightly better documentation.
* Update Worksheet.php