Added some more functions to Python binding
Added new event to print robot debugging messages onto stdio
Merge branch 'dev_debugmsg' of github.com:Barobo/libbarobo into async_framing2

Conflicts:
	mobot.c

Also, fix up some error checks regarding file descriptors in unix.
Use latest libsfp
Update to latest libsfp
Add a bunch of error checks
Use latest libsfp
More error checking