fix hashie version
fix hashie version

bitbucket-rest-api/bitbucket,rashmirathi1729/bitbucket,marcinwyszynski/bitbucket,vongrippen/bitbucket,cocktail-io/bitbucket,marcinwyszynski/bitbucket,vongrippen/bitbucket,iconnor/bitbucket,fairfaxmedia/bitbucket,reenhanced/bitbucket,cocktail-io/bitbucket,codeship/bitbucket,rashmirathi1729/bitbucket,codeship/bitbucket