- when either username or password are not specified via commandline
arguments or configuration file, ask them on standard input
- unify function to read username and password
- move function to read username and password from mfshell to
utils/strings.c
- remove commented cruft from utils/strings.c
- utils is the low level library used by the others
- mfapi uses utils and implements the api and some wrappers
- mfshell uses mfapi and utils to provide a shell