Upgrade to PHP 8

Upgrade to PHP 8 (#40)

* Upgrade to PHP 8 and run composer update

* Catch PDO exceptions properly (change in PHP8)

Rename mthod

v1.5.1

Rename method (#30)

Easier to call "many" methods

v1.5.0

Calling many is now easier (#29)

Improved exception messages and internal refactoring

Next version (#28)

* Rename class

* Improve exception messages

* Drop support of USE when a database is provided together with table

* Do not use deprecated PHPUnit at for expectation

* Remove unneed use statement

Fix returning null value as string

v1.3.1

Fix returning null value as string

Support to select and fix assertion

Create select features (solves #24) (#27)

* Create select features (solves #24)

* Fix assertion #23

* Update README

* Remove deprecated code

* Add nice assertion diff

Support "database.table" query format

Now it is possible to use $dbAsserture->cleanTable('db.table').

Support to Mysql, Postgres and Sqlite

Support different db (#13)

* Introduce to QueryBuilders

* Refactor to make it work with QueryBuilder

* Exclude integration with PDO out of coverage analysis

* Remove deprecated method

* Add Sqlite integration test

* Add missing test

* Update README