Convert tapString to UTF-8, allowing UTF8 output from PHPUnit, etc.
Convert tapString to UTF-8, allowing UTF8 output from PHPUnit, etc.

Closes #738

corpsee/php-censor,php-censor/php-censor,corpsee/php-censor,php-censor/php-censor,corpsee/php-censor,php-censor/php-censor