ADDED: generate support for the builder controls (untested)
IMPROVED: Ancestor class definitions
IMPROVED: controls better aligned with new module classes
remove now redundant filter mode
IMPROVED: more systematic label names
REFACTORING: Ancestor file and module naming
REFACTORING: Descendent file and module naming
REFACTORING: more reuse of similar code
IMPROVED: class defs for descendent/related
ADDED: isub partitioner, refactorized exact/isub modules