Test Anything Protocol output for SRFI-64

[Test Anything Protocol](https://testanything.org/)


## Usage

    (import (scheme base)
            (srfi 64)
            (retropikzel tap))

    (test-runner-current (tap-runner))


## Documentation

(**tap-runner**)

Get the TAP test runner.


## Changelog

### 1.3.0

- Output all fields of test result on fail