Translations:Release notes 0.16/71/en


 * Several improvements to the IFC importer such as new options for treating large IFC files, better support for extrusions (now detected on import) and curved segments, and support of 2D annotation objects. The import of Analytical IFC has been added. At the moment import of geometrical representations of all analytical objects is supported.
 * Better meshing options for DAE and IFC formats.
 * A new Arch Schedule tool allows creating different kinds of schedules from a BIM model.
 * IFC attributes can now be imported, edited and exported. This is basically a spreadsheet object attached to an Arch object.