Check if 'hosts' file exists
Check if 'hosts' file exists

We need to check that the file exists before trying to update it, and if it doesn't we try to create an empty 'hosts' file.
StevenBlack/hosts,maxmurder/hosts,borisschapira/hosts,gfyoung/hosts,bmcculley/hosts,FrancoGag/hosts,WillPresley/hosts,gfyoung/hosts,maxmurder/hosts,StevenBlack/hosts,WillPresley/hosts,FrancoGag/hosts