mpictor/StepClassLibrary — pull request #78 by tpaviot (2011-10-16 11:44:13+00:00)
Title: Added AP239 mim long form schema from official ISO-10303:239 spec

Note: this schema differs from the one available from the Steptools.com
website (see http://www.steptools.com/support/stdev_docs/express/ap239/wg3n1568_ap239.exp)