Print all nested exceptions.
Aid debugging by nesting the stacktrace of the first call to sendReplyHeaders into the exception.
Freenet Polish Translation (polskie tłumaczenie freenetu)
Merge remote-tracking branch 'bombe/print-more-useful-stacktrace' into next
Allow getting the target URI from RedirectException
Remove nonsense constructor:
- A redirect Exception without a target is useless. The constructor also wasn't being used anywhere in fred.
- This allows us to make the URI final now.
Merge pull request #193 from xor-freenet/redirectexception-improvement

Merge patch from p0s:
Improvements to RedirectException (required for WOT)
Merge remote-tracking branch 'upstream/next' into serializable-freeneturi