* make feedKeys() take a qstring of keypresses instead of QKeyEvents. this will make it possible to pass register contents to it and thereby making it easy to add support for recording commands. ("macros").

* make recording of backspace work

* don't log modifiers key presses on their own

* renamed "escape" to "esc"

* use sendevent instead of postevent, making it possible to know that* we're running a macro