Enhancements
- Tensorflow is now pinned to any version below 2.0 in [112](https://github.com/biocore/mmvec/pull/112)
- Learning rate defaults have been fixed to `1e-5` in [110](https://github.com/biocore/mmvec/pull/110)
Bug fixes
- Inputs are now expected to be metabolites x microbes in heatmaps [100](https://github.com/biocore/mmvec/pull/100)