code: function containsObj (a, b) {
    return Object.keys(a).reduce((r, k) => {
      return r && R.equals(a[k], b[k]);
    }, true);
  }
docs: Returns true if all key/value pairs in the first object are contained in the
  second object.
  
  @param  {object} objA
  @param  {object} objB
  @return {boolean}