added tests, runtime options (force, pretend, quiet), added standard -h and --help posix commands
added tests, runtime options (force, pretend, quiet), added standard -h and --help posix commands

nngo/homeshick,languitar/homeshick,danieldc/homeshick,dotsplat/dotsplat,andsens/homeshick,xtech9/homeshick,agvim/homeshick