What's Changed
* Use numpy arrays in time series by daniel-thom in https://github.com/NREL/infrasys/pull/55
* removed aggregate single time series feature by KapilDuwadi in https://github.com/NREL/infrasys/pull/57
* bumped minor version by KapilDuwadi in https://github.com/NREL/infrasys/pull/58
**Full Changelog**: https://github.com/NREL/infrasys/compare/v0.1.2...v0.2.0