while trying to read into the new Pathfinder, added a few comments and corrected some typos.
while trying to read into the new Pathfinder, added
a few comments and corrected some typos.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb