Requires the latest XML::Twig and adjust tests accordingly
Removed -T switch from regular tests
Merge pull request #44 from melmothx/topic/test-fix

Bump up prerequisite on XML::Twig to 3.48 and remove -T switch from regular tests.
Bump up version number.
Prepare Changes and README files for upcoming release.
Skip URI adjust for link elements without target attribute (<a href, <img src, ...).
Bump up version number.
Prepare Changes and README files for upcoming release.