refactoring some function
refact append, prepend method and bug fix for tt.isNodeList
tuning TT.html
modified use range object, fix test
modified range
revert
html method use range
modified html method
modified tt function
version++
modified html method
oops
add .gitignore
do retab
modified .gitignore
ver++
use and run grunt
add tt.ajax method
fixed tt.createEnvData
fix createEnvData