Update readme to match current status.
Add "Enter the Unknown" supplement specializations.
Pull PDF generation code into specific methods.
Re-sort methods.
Add signature tree generator.
Add "Enter the Unknown" data (English).
Version bump.
Fix error in German strings_de.txt.
Add "Dangerous Covenants" and fix some minor bugs.
Implement automatic sorting of data.
Merge branch 'master' into bknowles_update_en_page_nos

Conflicts:
	src/main/resources/strings_en.txt