Fix possible windows crash
Update metadata.c
Fix issues #1051
Format code
Format code
include kernel/hash.h
Merge pull request #1056 from xboston/patch-3

Update metadata.c
Add param replace for skipAttributes*
Updated metadatainterface.h
Merge pull request #1062 from dreamsxin/issues_1051

Issues 1051
Merge branch '1.2.3'
Random commit to relaunch Travis