- Minor tweak to javadoc ("id's" => "IDs")
- When an unknown element id is specified, it has always thrown NoSuchElementException(); my change is to include the id as the exception message

Review by: knorton (postmortem)


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1066 8db76d5a-ed1c-0410-87a9-c151d255dfc7