- better error handling
- argument "databox" can be specified as id, dbname or viewname
- add option "--partition=n/N"
- argument "type" changed to option "--record_type=a,b,c" (can also be set as "--record_type=a,b --record_type=c")
- argument "subdefs" changed to option "--name=x,y,z" (can also be set as "--name=x,y --name=z")
- option "--with-substitution" changed to "--with_substituted"
- option "--substitution-only" changed to "--substituted-only"