tree baa81b3b4bbf86115c8831c684d5d33398f491df
parent 2d76f2fb90f1df85dd7bc8380b5c52ff3c2259d6
author iamqizhao <toqizhao@gmail.com> 1450222252 -0800
committer iamqizhao <toqizhao@gmail.com> 1450222252 -0800

i) lower case metedata key names; ii) make binary encoding consistent with other impls.