cee install name
get versions of name
check exists ~/.cee_modules/$name/$version
if not
download nameXXX.tar.gz to ~/.cee_modules/$name/$version
else
check if process.cwd() + name folder exists
if exists
if not force
error => 'use force to override'
else
copy folder to process.cwd() + name
else
copy folder to process.cwd() + name