tables.py: support for NOSPLIT, imroved cell backgrounding
tables.py: support for NOSPLIT, imroved cell backgrounding

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