add info.
add progress rb.
update the readme file.
minor update.
add a model for member.
update library
rewite executable.
rewrite structure.
working on roadmap initialization.
spec test for roadmap.
complete init.
progress.
working on info.
working on info.
fix miss typed function name.
working on info.
add command info.
debug on command info.
complete revise.
bug fix for switch.