Results 3 issues of Yaroslav

https://github.com/wheresrhys/fetch-mock/blob/4b54e6db42a3e87700ef37a27a7a4d7df29cb3d7/src/lib/fetch-handler.js#L34 This function expects Request object, but it may be a two arguments call witch string and RequestInit object.

Initialise Request object if first argument is string. #616

Rules with expressions allow select nodes by name and content in Jayway JsonPath implementation. for example: ```JSON [ { "a": { "c": 1, "d": 1 }, "b": { "c": 1,...