Document methods in analyse_commons_dump.py
Document methods in analyse_commons_dump.py

Add docstrings to undocumented methods.

danmichaelo/wm_metrics,Commonists/wm_metrics,danmichaelo/wm_metrics,Commonists/wm_metrics,danmichaelo/wm_metrics,Commonists/wm_metrics,Commonists/wm_metrics,danmichaelo/wm_metrics