Extract the ZIP and copy ProperWeather.jar to plugins/ and en.txt to plugins/ProperWeather

• 1st early-and-buggy region implementation (worlds are now implemented as regions)
• TESTING ONLY

• If you define a weather and then undefine it somehow, you can get into trouble
• weathers.yml sometimes isn't generated properly (has size of 0 bytes)

PLEASE REPORT IF ANY OTHER