- Update to 3.4.3:
* Provided PHP 7.3 support

- Update to 3.4.2:
* Added missing Volt tags to array helper in
Phalcon\Mvc\View\Engine\Volt\Compiler::functionCall
* Added the ability to explicitly define nullable columns (especially timestamp ones)
* Refactored Phalcon\Db\Adapter\Pdo::query to use PDO's prepare and execute
and Phalcon\Db\Adapter::fetchAll to use PDO's fetchAll
* Fixed Phalcon\Validation\Validator\Numericality to accept float numbers
on locales with comma decimal point
* Fixed Phalcon\Tag so it unsets parameters before passing options array to
self::renderAttributes
* Fixed Phalcon\Http\Response::setFileToSend filename; when file downloaded
it had an extra _
* Fixed Phalcon\Mvc\Model\Query::execute to properly bind parameters to sub queries
* Fixed Phalcon\Http\Request::getJsonRawBody #13501. It will now return
false when the body content is empty, as well as when it encounters an
error whilst decoding the JSON content
* Fixed Phalcon\Validation::preChecking to allow use Phalcon\Db\RawValue as
an empty container for isAllowEmpty option
* Fixed object binding and placeholder creation in Phalcon\Db\Adapter::insert
and Phalcon\Db\Adapter::update
* Fixed Phalcon\Config\Adapter\Ini not building config objects properly for
numerical keys
* Fixed incorrect scope of view variables
* Fixed Phalcon\Config::_merge not merging config with numeric properties properly

- Update to 3.4.1:
* Changed Phalcon\Cache\Backend\Redis to support connection timeout parameter