Fixes:
* [149](https://github.com/mity/md4c/issues/149):
A HTML block started in a container block (and not explicitly finished in
the block) could eat 1 line of actual contents.
* [150](https://github.com/mity/md4c/issues/150):
Fix md2html utility to output proper DOCTYPE and HTML tags when `--full-html`
command line options is used, accordingly to the expected output format
(HTML or XHTML).
* [152](https://github.com/mity/md4c/issues/152):
Suppress recognition of a permissive autolink if it would otherwise form a
complete body of an outer inline link.
* [153](https://github.com/mity/md4c/issues/153),
[154](https://github.com/mity/md4c/issues/154):
Set `MD_BLOCK_UL_DETAIL::mark` and `MD_BLOCK_OL_DETAIL::mark_delimiter`
correctly, even when the blocks are nested at the same line in a complicated
ways.
* [155](https://github.com/mity/md4c/issues/155):
Avoid reading 1 character beyond the input size in some complex cases.