Killed inline parameters
Parameters mandatory -> required

Used in dylan language, therefore better.
Verify required parameters
Cleaned up parser-execute

Also let it signal an error when there is no command.
Handle lexer and parser errors in implicit completion correctly
Fixed and enhanced terminal behaviour on quit
Removed old junk
Tweak demo to show repeatable parameters and quoted strings
Correction in TTY: BEL is CTRL-G, not CTRL-B
Implemented CTRL-B and CTRL-F
Keep track of parameters by kind

Will be used for better help and possibly other things.
Merge pull request #16 from promovicz/days-work

A days work