Added _instanceStringWidth, imroved fontSize arg handling
Added _instanceStringWidth, imroved fontSize arg handling

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