libraries - removal of id-encoding related bug in API commited in f7ebd14c2f9b260cdb6627e4abfd5c03f14c4900 and identified by jmchilton in https://bitbucket.org/galaxy/galaxy-central/commits/f7ebd14c2f9b260cdb6627e4abfd5c03f14c4900#comment-825140