configuration.rb in unsplash-1.5.0

- old
+ new

@@ -2,9 +2,10 @@
   class Configuration # :nodoc:
     attr_accessor :application_id
     attr_accessor :application_secret
     attr_accessor :application_redirect_uri
     attr_accessor :logger
+    attr_accessor :utm_source
     attr_writer   :test
 
     def initialize
       @test = true
       @logger = Logger.new(STDOUT)
\ No newline at end of file