Added elementId helper to forms

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Fixed http request clone

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added check for justFragment in redirect helper

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added isEmpty() to ElementString

Signed-off-by: Tom Wright <tom@inflatablecookie.com>