v0.1.0 Initial release, including: - `getJson()` and `postForJson()` functions, for making GET and POST requests returning JSON data. - path`` template literal tag function, for encoding request paths. - `getResponseStatus()` function, for getting the HTTP status code of a response. - `RestApiServerError`, `RestApiClientError`, `UnexpectedResponseStatus`, `InvalidResponseBody`, and `UnknownResponseError` error classes thrown by these functions.