Version bump to 0.6.4
Version bump to 0.6.4

sadaf2605/datagrid,reenhanced/datagrid,sadaf2605/datagrid,reenhanced/datagrid,11factory/datagrid,bogdan/datagrid,artofhuman/datagrid,artofhuman/datagrid,bogdan/datagrid,jeanlinux/datagrid,jeanlinux/datagrid