Updated docs to reflect changes to multipart matching API
Updated docs to reflect changes to multipart matching API

Mahoney/wiremock,tricker/wiremock,tomakehurst/wiremock,Mahoney/wiremock,tomakehurst/wiremock,dlaha21/wiremock,dlaha21/wiremock,dlaha21/wiremock,dlaha21/wiremock,tomakehurst/wiremock,tricker/wiremock,dlaha21/wiremock,tricker/wiremock,tomakehurst/wiremock,tomakehurst/wiremock,Mahoney/wiremock,Mahoney/wiremock,tricker/wiremock,Mahoney/wiremock,tricker/wiremock