small fixes in basetable to prevent cloning of ColumnDefinitions and true check on hasFraction in adjustRAnge
small fixes in basetable to prevent cloning of ColumnDefinitions and true check on hasFraction in adjustRAnge

ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore,ridoo/IlwisCore