Support sequential upload mode and support signed url with request payment.

[liyanzhang505]

1, Support sequential upload mode.
2, Support signed url with request payment.

[claassistantio]

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[coveralls]

Coverage decreased (-0.2%) to 30.12% when pulling 8b4f3e1 on liyanzhang505:dev-sequential-upload into 946e64f on aliyun:dev-1912.

[coveralls]

Coverage decreased (-0.1%) to 30.155% when pulling 9b40734 on liyanzhang505:dev-sequential-upload into 946e64f on aliyun:dev-1912.