Changes from 1.x to 2.0 // v5

[Dave Parizek]

The V4RB_Reference_en.pdf indicates Database.ErrNumber  and 
.ErrString are deprecated.  But below says to use for checking 
errors.  Should we be using something else?  VException will happen 
on failure to open/create?

-dave


>
>------------------------------------------
>Database:
>------------------------------------------
>
>* Vdatabase.Open() / .Create() no longer return anything, so
>change code to reflect. Use Database.ErrNumber to check errors.
>