Added overloaded methods to upload files specifying media type and file name.
Added a separate method to add query parameter explicitly.

Hanson1

- fills out JavaDoc
- allows query parameters in POST
- adds addFilePart(String name, String data, String contentType, String
fileName)

- test for static lambda expression was not looking for use of "this" or
"super"

//BH 2020.08.03 -- 3.2.9-v1p fix for boxing boolean should be
Boolean.valueOf$, not new Boolean

Hanson1