Linenum of sec and errors, count errors in section
Fix major bug: didn't serve calculated file
Count \begin{document} +1 in mt-section-list

- this ensures that no frame is inserted before the document
Off by one error, regard end as well as section
Begin with mdframe after section
Prepare for individual mdframes
Choose next best file
Section based textwidth works!
As well working for underfull boxes
Minor Bugfixes
Clean-up