Foliantcontrib-bindsympli

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

- Use 60-seconds timeout instead of 30-seconds. Provide multiple attempts to open pages.

- Do not disable images downloading. Use delays when filling email and password fields. Wait for idle network connections when loading pages.

- Add logging.

- Describe the preprocessor usage in `README.md`.

- Eliminate external Perl scripts, rewrite the preprocessor code in Python.