dpi

Missing tests per comment on d.o

Tried experimenting by taking the code example from `test27` and `test29` which were broken by this initial work. PHPStan doesn't complain about them, so I'm thinking PHPStan simply doesnt care...

@klausi I've added a bunch of tests which need to be fixed. The test are primarily examples of valid types from https://phpstan.org/writing-php-code/phpdoc-types. I dont think it would make sense to...

The tests in `FunctionCommentUnitTest.inc` should mostly remain as close to samples in https://phpstan.org/writing-php-code/phpdoc-types, then we adapt from there.

irt `mixed` everywhere I was just focussing on the docs since it doesnt really matter that there is a mismatch. And we cant check that doc and real param match...

Changes can be based off https://github.com/dpi/dogit/pull/2/files#diff-807a9ba3b18ae226d5e918d14500c7503f96864c697a8d97a8fdb3396312ff97R19

Flysystem 3 is now a thing ;)

I think a lot of this hinges on whether maintainer prefers previous time and clock to co-exist: - Remove or keep multiple time methods - Add a `public getClock` method?...

I dont have bandwidth or motivation to work on this right now, but i just want to make-everyone-aware of PSR-20 https://github.com/php-fig/fig-standards/blob/master/proposed/clock.md, which in summary is an interface, with a now(),...

Using `return new self()` did work however.