statements by while() loops in determining the remaining fractional counts.
Furthermore, some modulo operations have been introduced to prevent
integer overflows.
+08-dec-2006 NvE Memberfunctions SetUT introduced in AliTimestamp to provide convenient
+ ways to set a specific UT date/time.
+20-jan-2007 NvE AliMath extended with Nfac(), LnNfac() and LogNfac() facilities.