Abhi, Vishal #0 bug fix - handling null patient last name
Vishal, Abhi #00 Removing default 6 months date range condition on Patient Reports.
Vishal #0 bug fix -  filter closed treatments for closed treatment report when no date range is provided.
Swapnil,Vishal #749 Fixed date formats in xls templates
Vishal #0 Fixing visualization
Vishal, Abhi #749 Fixing column length for call start time in reminder report
Vishal, Abhi #749 minor template fixes