No long assign ids to Tag or Object chunks.
Allow no/zero-id chunks to be output. Add preserve_id mode.
Fix omapi_model_remove_chunk_by_id and add assertions to other _by_id functions.
Remove omapi_armature_new_with_parent.
Make destroy callbacks static.
Remove BONEWEIGHT.
Add recursive item support to the OMX object parser.
Invert Y UV coordinates in FBX parser.