Merge pull request #28 from zillabyte/jake/master

@qiongyu, @nkarnik -- maybe fix local rpc
Merge pull request #29 from zillabyte/jake/master

@nkarnik, @qiongyu -- bump min ml version required
Merge pull request #30 from zillabyte/jake/master

@nkarnik -- proper min version
fix local api
Merge pull request #31 from zillabyte/xiao/master

@nkarnik -- fix