Consider using `pandas`

[kangwonlee]

• url info
• path info
• git log info
• https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.to_html.html
• https://github.com/pandas-dev/pandas/issues/11052
• https://stackoverflow.com/questions/33181846/programmatically-convert-pandas-dataframe-to-markdown-table

[kangwonlee]

• Multi level indexing available doc
• collect_chapters.py tries to scale up; possible to use tables more robustly?

[kangwonlee]

• pandas.Series as dicts