Major Update!

Fixed items.csv so it uses the proper item IDs.
Moved the player data file creation to a separate class.
Implemented the use of items.csv.
Rewrote onEnable().
Added versionCheck() to ItemBank.
Added Config class.
Removed obsolete constants.
Removed the Help permission. The Help command now relies on the other
permission nodes.
Added new Constants.
Changed the template to only include the "Do not Edit" line.
Refactored Inventory class to IBUtils class.
ItemTranslator references items.csv and loads the aliases to memory.
Removed the command usage from the plugin.yml.
Added InvalidAliasException class.
Added CSVParser and CSVReader classes from OpenCSV.