Restore working graphing support.
Delete obsolete SavedIterator framework.
Remove unused getList() support from AnalysisResultEntryBase.
Clean-up ilist code naming.
Switch to iplist. ilist defines methods that are not safe for polymorphic types.
Encapsulate the enumeration context arguments in a class.
Remove obsolete AnalysisResultValueInfoEntry class.
Remove obsolete AnalysisResultEntryBase class hierarchy.