Adding data analytics - mean, sum, std, var
Adding a few sklearn extra models
Adding target column setting
What's Changed
* Analytics by Breta01 in https://github.com/FELT-Labs/feltlabs.py/pull/8
* Add more tests and fix lasso regression by Breta01 in https://github.com/FELT-Labs/feltlabs.py/pull/9
**Full Changelog**: https://github.com/FELT-Labs/feltlabs.py/compare/v0.2.7...v0.3.0