Big Int issue fixed

A new version of the SMySQL framework (2.2.1) has been released which process properly BIGINT columns (it uses to be treated as long int -whihc is 32bit-, instead of the more correct long long -64bits-). -bug discovered by Lorenz Textor-

Older versions have also been corrected in CVS (branc version-1 is now at release r1-0-1, whilst version-2-1 is now at release r2-1-1).