Remove redundant #define in ktap_opcodes.h

Signed-off-by: Yicheng Qin <qycqycqycqycqyc@gmail.com>
Add comments on ktap types

Signed-off-by: Yicheng Qin <qycqycqycqycqyc@gmail.com>
Make dump_function support OP_CLOSURE and LNGSTR

Signed-off-by: Yicheng Qin <qycqycqycqycqyc@gmail.com>
Signed-off-by: Jovi Zhangwei <jovi.zhangwei@gmail.com>