New methods sizeHint.
New methods sizeHint.

hlin117/factorie,pogren-oracle/factorie,Craigacp/factorie,digitalreasoning/factorie-scala-210,zxsted/factorie,malcolmgreaves/factorie,strubell/factorie,asubbaswamy/factorie,factorie/factorie,joprice/factorie,melisabok/factorie,patverga/factorie