Adds a configuration option for the plugin language
Loads the selected language instead of always loading "en"
Makes sure the language is updated upon reloading
Adds a preset command which can be used to see available presets
Adds preset filters which can be used to specify item sub-categories within a preset
Removes SWORD_SMITH and RANGED_SMITH, as those are replaced by the RANGED and SWORD filters
Adds a list of usable filters for each preset
