Merge pull request #14 from thaodtp/master

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Complete Request
Complete Request
Complete Request
Complete Request
Revert "Complete Request"

This reverts commit e16832a371b1cc5e0e902fa999de611ad500ca82.
Merge origin/master
Complete Request
Complete Request
Merge pull request #15 from thaodtp/master

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Merge pull request #22 from nguyenquanghuy1997/master

13513