Implemented small changes after code review

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/roq_redirect/trunk@84620 735d13b6-9817-0410-8766-e36946ffe9aa
Code cleanup and add small changes due second code review

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/roq_redirect/trunk@84630 735d13b6-9817-0410-8766-e36946ffe9aa