Build 3.0.0.44 of xlsgen is a fix pack. The following fixes are in :

- Calculation handling of zig zag ranges (of the form A1:A5:C5:C10 for instance)
- Internal factoring of zig zag ranges as regular rectangular areas in the calculation engine whenever possible
- Fix for the SUMIFS() function : was returning an integer instead of a floating-point number
- Improved rendering of inferred tables (B.I.) after group by merged cells
- Enabling of autofit when inserting an inferred table (B.I.)
- Bug fix for grouping values (B.I.) after a filter on values

No source code change needed.