Added redirecting stdin and stdout

The run command has been changed to < which redirects standard
input. The logic for running an input file as you run quash
is still inside.
Merge branch 'Production' of https://github.com/sebisges/EECS678Project1 into Production
A couple fixes to stdin and stdout

Yup
Add an include to commands.h

Needed an extra include to compile on cycle servers.