Added bufferstream as devDependency.
Added bufferstream as devDependency.

johanneswuerbach/testem,testem/testem,fotinakis/testem,Addepar/testem,Addepar/testem,paulot/testem,paulot/testem,testem/testem,Addepar/testem,paulot/testem,testem/testem,bradleylandis/testem,fotinakis/testem,fotinakis/testem,bradleylandis/testem,johanneswuerbach/testem,Addepar/testem,bradleylandis/testem,johanneswuerbach/testem