Merge pull request #2059 from mruz/2.0.0

Closure fix [ci skip]
Fixed long parameter in Db\Adapter\Pdo::dataSeek
Fixing more bugs in Phalcon\Db
Enabling 'prepare_virtual_path' optimizer, implementing Config\Adapter\Ini according to unit test
Enabling 'basepath' optimizer
Optized 'instanceof' operator