Fixed

• #22: Allow use of Firebird embedded engine for tests
• #41: Some firebird.conf parameters are missing in fbapi.config_items
• Fix: Added validation-related info codes that were ommited in DatabaseInfoProvider3.
• Fix: Properly handle situation when parameter database for connect and create_database is
  a DSN.
• Fix: TPB.parse_buffer handling of new READ COMMITTED READ CONSISTENCY.
• Fix: DPB.parse_buffer and SPB_ATTACH.parse_buffer.
• Fix: Introduce StatementInfoProvider4 for proper handling of FB v5 additions.
• Fix: ServerInfoProvider handling of SrvInfoCode.LIMBO_TRANS info code.

Changed

• Minimal Python version raised to 3.11
• Test changed from unittest to pytest
• Parameter database for connect and create_database now accepts pathlib.Path objects.
• Removed all usage of LoggingIdMixin as it's no longer available in firebird-base v2.0.
• Type hints adjusted to Python 3.11 standards

Added

• More tests for greater coverage