SearchWP 4.4.0

- **[Improvement]** Better handling of post status and comment triggers of delta updates, reducing significant overhead in some cases

- **[Fix]** Fixes an issue that prevented proper respect of `searchwp_background_deltas`
- **[Fix]** Fixes an issue with debug log permissions in some cases
- **[Fix]** Fixes an issue where Custom Field keys were not accurately retrieved in older versions of WordPress
- **[Fix]** Fixes settings screen JavaScript error in IE11
- **[Fix]** Fixes an issue preventing the application of `searchwp_search_query_order`
- **[Improvement]** Notes the requirement that the index must be rebuilt after ticking checkbox to remove minimum character count
- **[New]** Adds `post_status` parameter to `SWP_Query`
- **[New]** Adds `order` parameter to `SWP_Query`
- **[New]** Adds limited `orderby` parameter to `SWP_Query`

- **[Fix]** Fixes an issue where in some cases delta update requests were not processed correctly
- **[Fix]** PHP Warning cleanup
- **[Improvement]** The debug log generation process has been improved and the debug log more streamlined/readable
- **[New]** New filter `searchwp_debug_detailed` to control whether detailed items are logged when debugging is enabled