EDI uses a 'deleted' flag in the table to denote deleted files, we
should filter those out of the API response.
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
This patch adds the Koha Object based classes assocaited with the
edifact_message table. This table actually contains the raw message
files which may well each contain multiple edifact messages.
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>