Make nullability explicit (not only) in ArrayType and CompositeType

Closes #27

See merge request !58

Closes #27

Provide a wider selection of querying methods in Table.

Closes #29

See merge request !57

- getOneBy()
- findOneBy()
- getFirstBy()
- findFirstBy()

Also deprecate getBy() in favor of its replacement getOneBy()

Closes #29

chore: freshen this package up

See merge request !56

- bump PHP requirement to 8.2
- ensure compatibility with PHP 8.4
- update to PHPStan 2

fix empty orderBy on newer postgres versions

See merge request !55

add support for generated columns

See merge request !54

ci: test on all supported versions of php

See merge request !53

more robust creation/modification API

Closes #21 and #8

See merge request !50

- change new() and edit() to return changeSet
- split save() into insert(), update(), and insertOrUpdate()

allow dibi 5

See merge request !52

implement ordering by specific values

See merge request !51

Support nette/utils v4

See merge request !48