fix correctness bugs across core, JsonPath, Xml and FSharp#378

SimonCropp merged 2 commits into

mainVerifyTests/Argon:mainfrom

fix-correctness-bugs-across-core,-JsonPath,-Xml-and-FSharpVerifyTests/Argon:fix-correctness-bugs-across-core,-JsonPath,-Xml-and-FSharpCopy head branch name to clipboard