Please generate new config.yml and messages.yml for the new features / options to appear. Admin commands have also changed. These are visible with /pw admin

Additions:

• - Recoded the entire Acidrain class;
• - Added per-world support for Acidrain;
• - Added option to set the start time of the Acidrain;
• - Added option to set the world which you want to start the Acidrain in;
• - Added new messages to the messages.yml

General Changes:

• - Fixed MakeWaterAcidic working in all worlds regardless of the config;
• - Fixed Acidrain overriding the time of the rain to 180 seconds regardless of the time you set it to;
• - Fixed MakeWaterAcidic and Acidrain bypassing biomes even if they are set to false in the config.