Add toStringMap() option to CascadeHash (also added to thx)
Moved test suite to "old-tests".

Going to start a fresh test suite, as so much has changed that these will either
be broken or obsolete.  Keeping it around as I'll probably steal code across from
it again :)
Remove old project management files, make way for the new
Major breaking refactor of ufront.  Switch to Dispatch routing.

Moved classes/packages around.
Deleted classes that were not in use (may reintroduce some...)
Created classes to do with DispatchModule
Create UfrontApplication, modified HttpApplication
Renamed things as necessary
Moved nodeJS stuff from src-exp into src, still haven't tested it / looked at it
Added comments and documentation to many of the classes in the "ufront" package.

Overall reduced the number of files used from 191 to 82, though that may go up again
slightly once I re-import all the ActionResult classes
Remove URLFilters - they were in the repo twice.

(The correct location is src/ufront/web/url/filter)
Add munit structure.

A bunch of empty test classes for now.  But it shows that the code also compiles.

This also creates a haxedoc xml file, which with "dox" can generate some pretty documentation