Handle shipping in parser

To handle shipping a bogus dependency was being created
make Parser self sufficent but this needs review
Move utility subs out of Koha::EDI

four subs were 'exported' from Koha::EDI
one was not used
two are local to Formatter
the fourth is 'parked' in a Util module
This may not be permanent
Fix dependency errors in Koha::EDI

if x contains y and y contains x
use M.C. Escher to manage your namespaces
not perl