changed methods called for instrument_instances
added conditionality on gcis:TableNumber
added conditionality to lines of turtle for instruments
further adjusted aforementioned commit to turtle for tables
other_identifiers to turtle for datasets
other_identifiers to turtle for instruments
other_identifiers to turtle for platforms
other_identifiers to turtle for orgs
Revert "further adjusted aforementioned commit to turtle for tables"

This reverts commit 8da0cc45b6fffcf4a44200c48188053272a64ebe.