Add a special exception class for unclosed boundaries
Add a special exception class for unclosed boundaries

chris48s/mapit,Sinar/mapit,opencorato/mapit,Code4SA/mapit,opencorato/mapit,Sinar/mapit,New-Bamboo/mapit,Code4SA/mapit,New-Bamboo/mapit,chris48s/mapit,Code4SA/mapit,chris48s/mapit,opencorato/mapit