-Enhancement: Preserve notification settings when the responsible module is deactivated.
-Bug Fix: Process 404 lockouts on the 'wp' hook to prevent a headers have already been sent warning message.
-Bug Fix: Ensure Hide Backend emails are properly sent when activating Hide Backend before saving the Notification Center for the first time.
-Bug Fix: Prevent warning from being issued on new installs by allowing previous settings to be preserved if they exist.
-Bug Fix: Better handle WP_Error objects in mail errors that occurred before updating to first patch release.
-Bug Fix: A non static method was being called statically.
4.6.2
Enhancement: Updated queries and prepare statements to account for changes to the esc_sql() function in WordPress 4.8.3.
Bug Fix: Fixed the File Change module being incorrectly enabled when upgrading.
4.6.3
Bug Fix: Fixed source of the following warning: "mysql_real_escape_string() expects parameter 1 to be string, object given".
