bug fixed

1. fixed q-model bug
2. can use .$up(level) now

fixed some bug

new version

remove data sync

1. fixed data sync's bug
2. can use . now, for example:

<p q-text="object.msg"></p>

1. fixed some bug
2. add el directive

remove keynote

just exports the utils

1. render the dom faster
2. can use .$set([Object]) , for example:

vm.$set({
  msg: 'hello',
  name: 'Donald'
});