fix occ.js
fix occ.js

OpenWebCAD/node-occ,OpenWebCAD/node-occ,OpenWebCAD/node-occ,erossignon/node-occ,erossignon/node-occ,erossignon/node-occ,erossignon/node-occ,OpenWebCAD/node-occ,erossignon/node-occ,OpenWebCAD/node-occ