Added ext requirements to composer

- Ctype https://github.com/phalcon/zephir/blob/858921d9c8c26752799dc8f591d99a0d995c970f/Library/Passes/StaticTypeInference.php#L300
- Hash https://github.com/phalcon/zephir/blob/e14bf67555adfb5a9f66de773c6174e677fdcdf9/Library/FileSystem/Apc.php#L188
- Sqlite and Pdo in tests