Add padding helper

Signed-off-by: Michael Buesch <m@bues.ch>
memarea: Add boundary checks

Signed-off-by: Michael Buesch <m@bues.ch>
corserver: Add specified length to memory message

Signed-off-by: Michael Buesch <m@bues.ch>
Port GUI to coreserver-API

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Handle server messages with timeout

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Only dump visible instructions

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Do insn dump state update asynchronously

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Prune old CPU stats

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Simplify stats drawing

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Fix edit widget font

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Move memarea fail check down below area check

Signed-off-by: Michael Buesch <m@bues.ch>
gui: Increase address spin box limits

Signed-off-by: Michael Buesch <m@bues.ch>