v1.16
Stabilizing release for folia1.5.
The next release will support the new FoLiA 2.0
Changes:
- renamed folia::Processor to folia::Engine
- extended and improved Engine code a lot
- avoid spurious newline on Document output
- Will read and ignore some FoLiA 2.0 additions
- numerous small additions and fixes
- make sure that the XmlParser uses the HUGE model everywhere