- replaced underscore functions with lodash equivalents
- moved chain to flow as the babel plugin for lodash
  does not support chain
- used composition instead https://medium.com/making-internets/why-using-chain-is-a-mistake-9bc1f80d51ba
- used partial right for sortBy
  https://stackoverflow.com/questions/56324387/jest-throwing-typererror-expected-a-function-when-using-lodash-pipe-flow
- escape, isFunction, isUndefined, isNull, omit, chain, isEqual,
  and isEmpty