code: function makeConverter(obj) {
    return Object.entries(obj).map(([type, converter]) => {
      return {[type[0].toUpperCase() + type.slice(1)]: converter};
    }).reduce((a, b) => Object.assign(a, b), {});
  
  }
docs: A helper to de-camelcase this module's geometry conversion methods
  @param  {Object} obj a mapping of camelcase geometry types to converter functions
  @return {Object} a mapping of capitalized geometry types to converter functions
  @example
  makeConverter({lineString})
  // returns {LineString: lineString}