v1.5.0

• Close #14 - added support of Nullable types
• Fix ConnectionTest::testGetServerVersion

v1.4.1

• implemented interfaces PingableConnection and ServerInfoAwareConnection in a class ClickHouseConnection

v1.4.0

• Close #6
• Add implementation of Trim methods on platform
• Formatted code style according to Doctrine rules

v1.3.0

• up to smi2/phpClickHouse ^1.0
• up to doctrine/dbal ^2.7

v1.2.1

close #11

v1.2.0

• up to PHP ^7.1
• up to smi2/phpclickhouse ^0.18
• close #9