bug_5064 Rework data retrieval in booksellers.pl

bug_5064 Rework data retrieval in booksellers.pl

loops were slightly illogical and db accesss was excessive
and repetitive. caused it not to scale well on large datasets
Routines in Acquisition.pm seem to have inconsistent views
of the data.
rework logic to utilize db and processing better

Signed-off-by: Nicole C. Engard <nengard@bywatersolutions.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit 0fd3b7f112c419629c3999d830ee04218dc55730)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>