Additions:
- Added the option to configure the radius and amount of particles generated by Blizzard and Sandstorms.
- Added the ability to run commands on the warning, start and stop events of a storm to each storm. (configurable per-storm)
- Added a 'Minimum Players' configurable option to the StormStarter that requires a certain amount of players to be online before a storm can start.

General Changes:
- Fixed a bug where the plugin would throw errors if you did not have PlaceholderAPI installed.