GEM
  remote: https://rubygems.org/
  specs:
    rack (1.6.4)
    rack-protection (1.5.3)
      rack
    sinatra (1.4.6)
      rack (~> 1.4)
      rack-protection (~> 1.4)
      tilt (>= 1.3, < 3)
    sinatra-cross_origin (0.3.2)
    tilt (2.0.1)

PLATFORMS
  ruby

DEPENDENCIES
  sinatra
  sinatra-cross_origin