tables.py: fixes to join/cap/dash from Gary Poster
tables.py: fixes to join/cap/dash from Gary Poster

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