auth: initial add of signin and signup functions -- move from main
Makefile: initial add
cookies: initial add
prompt: initial add
main: fix signin and signup logic
auth: use a clearer check to see if we are logged in
cookies: use a clearer if/else set up for checking whether to create the cookies database or not
cookies: pass in a pointer to the array so that gob can decode properly
main: remove extra space
main: use a clearer if/else contstruct when setting up the environment
main: move deserializeCookieJar down to the main function
auth: pass in the cookie jar when making a request to check whether we are logged in or not