xF2 Add-on Content Title Edit History 2.5.1

• Update installer
• minor code cleanup

• Support MultiPrefix when viewing history of a supported content type.
• Fix User Essentials compatibility issue.
• Rework code to more easily extend additional content types.
  • Open to pull requests!

• Fix: Unknown column 'resource_title_last_date' when reverting a resource title

• Rename from "Thread Title Edit History" to "Content Title Edit History"
• Add support for Resource Manager, thanks @batpool52!