Foliantcontrib.includes

- Do not rewrite source Markdown file if an error occurs.

- Don’t crash on failed repo sync (i.e. when you’re offline).

- Require at least one space after hashes in the beginning of each heading.
- Add `inline` option to the `<include>` tag.
- Fix the bug: do not ignore empty lines after headings when using `sethead`.
- Fix the bug: allow to use less than 3 characters in the heading content.
- Do not mark as headings the strings that contain more than 6 leading hashes. If shifted heading level is more than 6, mark the heading content as bold paragraph text, not as heading.

- Fix paths resolving in case of recursive processing of include statements.
- Allow revision markers in repo aliases.

- Fix logging in file search method.
- Fix top heading level calculation.

- Use paths that are relative to the current processed Markdown file.
- Fix `sethead` behavior for headings that contains hashes (``).