iterate json obj
Revert "iterate json obj"

This reverts commit c43ef3719fae7c40343fcc612d5c073d87fd60a4.
refactor
update README.md
add fn tests
use testtools and nose
output sys info in sys handler, iter json obj
active sys info handler and iter json objs
add ijson dump test
add fixture as req
refactor test utils
add redis prefix
use self.assertEqual
add test sys handler
add test app
use test.py as entry
finish test site interface
add some tests, activate coverage
test get block
disable debug log