added user info prompt
SIGINT handled, prompt does not reprint (as per specs)
execvp eliminated, working on additional arguments
multiple arguments working w/execv (for the mostpart)
cd added and working
small cleanups post-cd
testing some execv stuff with redirection, breaking things
no more weird parsing errors yay
execvp -> execv in redirection as well, looking to combine
merged logic and redirection with execv
fixed cd bug
getting ready for hw3 commit
removed signals.script from the root dir
readded signals.script
README updated
hw3 commit