Debugger: Explicitly handle uint8_t and int8_t

Would be nicer if there was a global way to tell GDB to not produce
"adorned" output...

Task-number: QTCREATORBUG-10344
Change-Id: I5355ebea0570f76415fdacfed34e1311825f57b9
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: More stdint autotests

Change-Id: I6b3961cb2ac4e35bce2fee12985f13a6d34d9525
Reviewed-by: hjk <hjk121@nokiamail.com>