Fixed row totals bug when incompatible format string is in effect.
Fixed row totals bug when incompatible format string is in effect.

altanawealth/django-report-builder,altanawealth/django-report-builder,AbhiAgarwal/django-report-builder,BrendanBerkley/django-report-builder,altanawealth/django-report-builder,BrendanBerkley/django-report-builder,BrendanBerkley/django-report-builder,AbhiAgarwal/django-report-builder,AbhiAgarwal/django-report-builder