- speed up searching and replaying by date dramatically
- ensure that both replay and search can be cancelled by the user
- implement a status bar for "Replay by..." and "Search" features
- ensure that the various forms can be used independently
- do not recreate various primitives but rather use event-driven collections
- some work decoupling the classes
- ensure that "Clear()" will flush the TPL pipeline
- make sure that the logging interface is recreated