fix identation

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
documetation for the SyscallTracer class

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
implement the syscalltracer functionality in fingerprint cmd

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>