Footmark

IMPROVEMENTS:

- Add wait time to make sure instance statue is correct ([13](https://github.com/alibaba/footmark/pull/13))
- Modify security group and rules method ([12](https://github.com/alibaba/footmark/pull/12))

**Note:** Package 1.6.0-1.6.2 has instanll error and them have been deleted. 1.6.3 is a stable releasse.

IMPROVEMENTS:

- Modify ecs and vpc method 'modify' ([11](https://github.com/alibaba/footmark/pull/11))
- Add format_vpc_request_kwargs method to make footmark-vpc more automatic ([10](https://github.com/alibaba/footmark/pull/10))
- Add format_request_kwargs method to make footmark more automatic ([8](https://github.com/alibaba/footmark/pull/8))

BUG FIXES:

- Fix modify and delete disk bug ([9](https://github.com/alibaba/footmark/pull/9))

BUG FIXES:

* Modify setup.py to set the specified sdk version ([6](https://github.com/alibaba/footmark/pull/6))

IMPROVEMENTS:

* support network interface management ([6](https://github.com/alibaba/footmark/pull/6))
* add new make request method ([6](https://github.com/alibaba/footmark/pull/6))
* improve vpc, vswitch and security group ([6](https://github.com/alibaba/footmark/pull/6))

IMPROVEMENTS:

* **New Module:** foormark/ecs
* **New Module:** foormark/ess
* **New Module:** foormark/oss
* **New Module:** foormark/rds
* **New Module:** foormark/slb
* **New Module:** foormark/vpc