_definitions 和 _traverse 两个错误的全局变量
Merge pull request #3 from jinze/patch-1

_definitions 和 _traverse 两个错误的全局变量
remove _ _ and other
Merge branch 'master' of github.com:NetEaseWD/NEJ
let _safeProtoExtend function safer.

_safeProtoExtend function will reset a non-exist function to 'undefined', so it is not safe enough.
Merge pull request #5 from jinze/patch-1

let _safeProtoExtend function safer.  thx jinze
cef player