class TunnelblickBeta < Cask url 'http://downloads.sourceforge.net/project/tunnelblick/All%20files/Tunnelblick_3.4beta20.dmg' homepage 'https://code.google.com/p/tunnelblick/' version '3.4beta20' sha1 '1e3b716e05981f242f0933ffc6f7084cf5e339bd' link 'Tunnelblick.app' end