Multiple revisions
- use correct default for PAPER-SIZE-NICKNAME with PARSE-FILE
- correctly handle errors when IGNORE-ERRORS-P is true
Better handling of document metadata with HTML document generation
Multiple revisions and bug fixes.

- fix PARSE-STRING

- drop otl-text support

- new table item syntax/structure and improved rendering

- new admonition syntax

- better handling of textblocks with multiple textlines at the same tab level

- recognize 'plain URIs'

- better handling of URI at the end of a sentence

- implement TO-CHARLIST

- implement additional file- and directory-related functions

- implement additional utility functions for items

- better list processing using :CUT and :REST