Reset map states when changing to another server
Reset map states when changing to another server

This commit fixes issue #3.

kahlid/agar-mini-map,eeduardogarcia/agar-mini-map,zebMcCorkle/agar-mini-map,matheus348/mini-mapa,dimotsai/agar-mini-map,lukemagdalin/agar.io-mini-map