Merge pull request #5 from HollyDAI/master

Merge pull request #4 from HollyDAI/xr
Merge pull request #7 from HollyDAI/master

6.3
Merge pull request #10 from HollyDAI/master

6.3.1
Merge pull request #15 from HollyDAI/master

6.3.3
Merge pull request #16 from HollyDAI/xr

Xr