Fixed error when response data is an array and envelop=false by refactoring transformer interface and methods
Changed default value of AlwaysEnvelopResponse back to true for BC
Merge pull request #70 from laurentlbm/master

Fixed OPTIONS and documentation following the merge of #60
Merge pull request #69 from pengux/master

Fixed error when response data is an array and envelop=false by refactoring transformer interface and methods