SearchWP 4.4.0

[New] New filter searchwp\\source\\post\\db_where to customize global WHERE limits per post type
[New] License key is automatically activated when provided via constant or hook
[Fix] Error on uninstall when removing all data
[Fix] Issue where Mods were not applied to SWP_Query in some cases
[Change] No longer relying on excerpt_more when working with excerpts, now using ellipsis filtered by searchwp\\utils\\excerpt_more
[Improvement] Handling of rare cases where index would need to be woken up repeatedly in order to build
[Improvement] Omits redundant Entry retrieval in some cases
[Improvement] Significant performance retrieval when generating excerpts (e.g. Highlighting)
[Improvement] Advanced Custom Fields integration support

- **[Notice]** `Mod`s have in part been cleaned up and refined in this release, which may affect your usage. Please review any `Mod`s you are using by testing this update on a staging server. If you are manipulating relevance weight based on date, it is likely you will need to update your hooks. Snippets have been updated on the KB article [searchwp.com for review. Please also ensure your SearchWP Extensions are up to date as well.
- **[Fix]** Source `Mod` `WHERE` clauses causing errors in some cases
- **[Fix]** Raw `Mod` `WHERE` clauses had no local alias to utilize
- **[Fix]** `Mod` `JOIN` claus order was not retained causing errors in some cases
- **[Improvement]** Optimized `Mod` handling in `SWP_Query`
- **[Improvement]** Disable integration extension checks when doing AJAX

[Fix]** Error when using `mod` argument of `SearchWPQuery` parameters array
[Improvement]** Control over Settings page navigation