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

Running the code below will result in two different error messages:

xquery version "3.1";

try { [1,2,3,4](-1) } catch err:FOAY0001 { $err:description },
try { array:get([1,2,3,4], -1) } catch err:FOAY0001 { $err:description }

• "Array index out of bounds. Position -1 does not exist in this array. Length

Implement Message.InspectMsg and suitable overrides. This function should be invoked when a message is sent, but only when a debug flag is enabled in a lab load. Its purpose is to verify that the message

• belongs to a valid protocol
• matches its PSM's protocol (if sent by a PSM)
• has a valid signal for its protocol
• contains all parameters that are mandatory for its signal
• contains

httpendpoint.RequestedVersionExtractor.Extract should be able to return an error if the version encoded in the request is missing or invalid, resulting in an HTTP 400

RequestedVersionExtractor should be injected into the HTTPServer via a decorator (which the RuntimeCtl instance of the HTTPServer should opt out).