spider.py: fix all zero bug (inspired by Max M)
spider.py: fix all zero bug (inspired by Max M)

kanarelo/reportlab,kanarelo/reportlab,kanarelo/reportlab,Distrotech/reportlab,kanarelo/reportlab,Distrotech/reportlab,Distrotech/reportlab,Distrotech/reportlab,Distrotech/reportlab,kanarelo/reportlab