count all repositories.
add progress bar check if repository can git pull.
add auto-pull-bundle.
fix the Dir to git pull.
delete useless test files.
use self progress bar.
Add Open4 gem.
add bundle install for ruby repository.
Change the tips more friendly.
remove useless gem.
create repository model.
throw exception if cannot update repository or gems.
add gemspec.
raise error when is not git repository or buy repository.
pull install with command.
use executables for pull install.
rename pull bundle.