ItemMail

• Fix online players occasionally not existing
• Ensure a single instance of the MailManager
• Make tab completion ignore case
• Add sound for receiving mail
• Add support for MySQL database
• Add reload command
  • /itemmail reload - Reloads the plugin, including the config, database and Vault hook
• Stop confirmation inventory closing after claiming item
• Add support for economies via Vault
• Add item blacklist
• Add permission to bypass mail blacklist
  • itemmail.mail.blacklist.bypass - Allows players to bypass the mail blacklist.

Note for this release: All of the new features in this update are disabled by default and can be enabled in the new config.yml generated in the plugin's data directory. Please checkout the wiki for more information on configuring the plugin for the new features and how to migrate your current database to use MySQL (or MariaDB).