0.9.1, support "or"

Signed-off-by: zensh <admin@zensh.com>
fix readme
0.9.2, improve defer

Signed-off-by: zensh <admin@zensh.com>
change readeMe and version

Signed-off-by: zensh <admin@zensh.com>
update then.min.js

Signed-off-by: zensh <admin@zensh.com>
improve debug mode
use gruntjs

Signed-off-by: zensh <admin@zensh.com>