Merge pull request #13 from do87/add-useful-outputs

add useful error output for json unmarshal error

Merge pull request #10 from do87/requests-with-contexts

add context to requests

Merge pull request #9 from do87/copy-helper-files

Copy helper files + Allow Response struct extension

Merge pull request #8 from do87/add-missing-new-with-response

add missing NewClientWithResponses in factory

Merge pull request #7 from do87/fix-double-has-suffix

fix double copied code

Merge pull request #6 from do87/fix/no-client-init-for-custom

don't init client for custom doer

Merge pull request #5 from do87/custom-doer

add support for custom doer

Merge pull request #4 from do87/extend_response_struct

Extend response struct

Merge pull request #3 from do87/fix-no-tidying

Fix empty operation ID during tidy