Version 0.13.0 (2024-09-024)
    * Add 'mode' parameter to 'relx' and 'rely'.
    * Suggest 'qs2' instead of 'qs'
    * Add 'light_cool_colors' theme
Version 0.12.0 (2023-04-06)
    * Add 'relx' and 'rely' functions to make the point radius a proportion of the data range