tdf#89872, tdf#88547 use of date arrays as function arguments

[Winfried Donkers]

Hi Eike,

> I suggest to implement a new function similar to
> GetNumberSequenceArray() that additionally accepts and tries to convert
> strings and puts a double error to the array element if it fails, not
> setting nGlobalError.
> 
[...]
> 
> Please don't merge it into GetNumberSequenceArray(), for performance
> reasons. Create a new function instead.

Two messages crossed  each other. 
I won't have time today (nor tomorrow, probably) to do as you suggested, hopefully this weekend.

Winfried