Merge pull request #21 from graze/support-php-8

Makefile: use phpcs.xml standard explicitly, expand test-matrix to 8.0-8.5

v1.1.0 — Support PHP 8.0–8.5

v1.0.0 — PHP 7.4 and GitHub Actions

new way of doing composer php version (#14)

when doing reWrite, treat each line in array as a new line (#11)

* when doing reWrite, treat each line in array as a new line

* remove assertTrue checks

* remove spurious line for coding standards

Pre format (#9)

* format first and fix wrap filter

* make it work

* lint fixes

* pre-formatting

* try a slightly later version of phpunit

* update minimal phpunit version to support yield

* some code tidying

get the terminal used in diffOutput (#8)

* add filter to diffOutput

* add getTerminal method instead

add filter method (#7)

use OutputInterface instead of ConsoleOutputInterface (#6)

Support for PHP5.5 (#5)

* support php5.5

* force utf8 when testing emojis