v3.2.1

• Added Phalcon\Db\Dialect\Mysql::getForeignKeyChecks to generate a SQL to check the foreign key settings #2604, phalcon/phalcon-devtools#556
• Fixed inconsistent behaviour of Phalcon\Config::merge across minor version of PHP7 #12779
• Fixed visibility of Phalcon\Mvc\Model\Query\Builder methods: _conditionNotIn, _conditionIn, _conditionNotBetween and _conditionBetween to allow 3rd party libraries extend it
• Fixed Phalcon\Assets\Manager::output, implemented missing resource type filtering for mixed resource collections #2408
• Fixed Phalcon\Http\Response::getStatusCode to return (int) HTTP code only, instead of full string #12895
• Fixed Phalcon\Db\Dialect\Postgresql::addForeignKey for proper creating the foreign key without a name
• Fixed Phalcon\Cache\Backend\Apcu::flush to use APCu instead APC #12934
• Fixed Phalcon\Db\Adapter\Pdo\Mysql::addForeignKey for proper creating the foreign key with a desired key name #2604, phalcon/phalcon-devtools#556
• Fixed Phalcon\Db\Dialect\Mysql::addForeignKey to generate correct SQL #2604, phalcon/phalcon-devtools#556