chatwork.rb in chatwork-0.6.1

- old
+ new

@@ -1,5 +1,6 @@
 require "chatwork/version"
+require "hashie"
 
 module ChatWork
   autoload :BaseClient,         "chatwork/base_client"
   autoload :APIConnectionError, "chatwork/chatwork_error"
   autoload :APIError,           "chatwork/chatwork_error"