composite Perl values in the watch window now collapse by clicking on the badge

instead of double cliking on the name
Make labels more readable by putting a space after the colon
Put an underline below the "Watch Expressions +" title
Make the watched expr stand out better by making it a label

It'll be easier to click on for editing, too
whitespace
localize Watch Expr event watchers to the watch expression element
removeWatchExpression will now remove elements even when there's a bug

Instead of looking up the div-to-remove from the watched exprs, look
it up from the target element
User can now edit a watched expression
Debugger side now encodes REF references properly
When evaluating a glob (*), prepend a \ so we get a GLOB reference back

This makes it easier to encode.  We already do the same thing with hashes
Let REF references collapse just like other references

REF references use <ul> markup instead of <dl>
Change the collapse icon for GLOBs