After JAAS ActionHandler in action delegation chain
Only responds to non-printing commands, so it can be placed anywhere else on the chain; however, it is recommended to be positionned high for quick response.
Features
Saves last few entered lines in history, configurable number, with a default value 10.
Retrieves previous (rolling) history line on up arrow and replaces current prompt active text with that line.
Retrieves next (rolling) history line on down arrow and replaces current prompt active text with that line.
Reacts to Ctrl-C by cancelling last entry or history proposition and clearing active text
Reacts to Ctrl-L by showing the line history but preserving active text.
