Is your feature request related to a problem? Please describe.

RFC2616 allows parameters to content-types, for example application/json; version=2.3.5 is a valid content type that should be treated like application/json. Currently this is not supported by this project.

Describe the solution you'd like

Ignore any parameters (things including and after ;) in the content type.

Describe alternatives you've considered

Using #657.

Additional context

#655