Test for stupid and unuseful multi-dimensional implicit arrays.
Working JSON unpacking.
JS test comments and garbage cleanup.
Add test form for manual testing the submitFormAsJson funciton.

The tests/submitFormAsJson.html along with tests/submitFormAsJson.js
provides a simple form that can be sent either by a standard submit
button or by a JS controlled button that sends the form using the
submitFormAsJson function. This function sends the form with all its
data packen into a single JSON field.
Readme with usage instructions.