The new tables have the same structure and constraints
as the tables they archive with the following exceptions:
* borrowernumber and biblionumber in old_reserves can be
NULL
* the FK constraints (e.g., for itemnumber) on old_reserves
set the child column to NULL if the parent row is deleted
instead of deleting the child row.
* there is no FK constraint on old_issues.branchcode, allowing
a branch to be deleted without changing archived requests.
Some miscellaneous cleanup was done as part of this patch:
* GetMemberIssuesAndFines (C4::Members) now uses bind variables
* fixed POD for GetMemberIssuesAndFines
Signed-off-by: Joshua Ferraro <jmf@liblime.com>
