Cmdtools-py

What's Changed
* Rewrite cmdtools v3.x by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/4
* Add file extension by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/5
* Implement conversion by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/7
* wraps Callback object when assigning to container by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/8
* Improve documentation by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/9
* add `type` parameter for conversion by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/10


**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/2.5.0...3.0.0

What's Changed
* add `type` parameter for conversion by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/10


**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/3.0.0-dev7...3.0.0-dev8

What's Changed
* Improve documentation by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/9


**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/3.0.0-dev6...3.0.0-dev7

- don't parse args if prefix is invalid by HugeBrain16
- correct reference to error callback by HugeBrain16

**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/3.0.0-dev5...3.0.0-dev6

What's Changed
* Implement conversion by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/7
* wraps Callback object when assigning to container by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/8


**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/3.0.0-dev4...3.0.0-dev5

What's Changed
* Add file extension by HugeBrain16 in https://github.com/HugeBrain16/cmdtools/pull/5


**Full Changelog**: https://github.com/HugeBrain16/cmdtools/compare/3.0.0-dev3...3.0.0-dev4