SearchWP Metrics 1.4.4

[Fix] SearchWP 4 compatibility fix when displaying some reports

[Fix] Error when SearchWP 4 is not active
[Fix] Warning when SearchWP is not active

[Fix] Omission of redundant core Stats links when using SearchWP 4
[Fix] Handling of ignored queries when using SearchWP 4
[Fix] Removes case sensitivity for Roles in blocklist
[New] Adds meta table for storing metadata
[New] Action searchwp_metrics_search when a search is run