extend Percent fixes for negative numbers

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@10257 5227b50d-9349-4574-b055-4b0a7525e11c
extend Percent fixes for numbers with signs

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@10258 5227b50d-9349-4574-b055-4b0a7525e11c
On more check to ensure PossibleInterwikis is independent from language code

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@10259 5227b50d-9349-4574-b055-4b0a7525e11c