Updated to use a class for static vars
Fixed BoosterReply class

Created a pull reqeuest to the PublicAPI
(https://github.com/HypixelDev/PublicAPI/pull/7) to fix this
Added displaying of active boosters
Added a refresh menu option

TODO
- Set its icon to be a refresh icon
- Set it to be an action
Some slight listview updates
Added a progress bar to show progress that the boosters are being queried for
Made active booster data disappear when updating it