v9-beta.2: docs tweaks, feature update, script updates

[CraZySacX]

• Updated some documentation
• Script tweaks
• Updated the emit_and_set feature to work properly with all libraries

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (a874637) 99.62% compared to head (0a104c1) 99.77%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #308 +/- ## ========================================== + Coverage 99.62% 99.77% +0.14% ========================================== Files 22 22 Lines 5096 5294 +198 ========================================== + Hits 5077 5282 +205 + Misses 19 12 -7 ```

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