Added separate tokens for header levels 1 to 6.
Added base types in Font & Color settings for links, images and headers.
Added Parser and StructureScanner implementations to provide Navigator view and bread crumbs.
Added folding support.
Fixed navigation via bread crumbs, however "Go To Source" in the Navigator is still broken.
Fixed navigation via Navigator, but broke navigation via bread crumbs. No idea how to get both working at the same time.
Added root item for Contents in Navigator.
Added References to Navigator.
Added Abbreviations to Navigator if the corresponding extension is enabled.
Added copyright notice to license.
Added plugin description for preview release.
Updated project readme file.
Added screenshots to project readme file.