4.3.0

• Fix broken vhdl_standard setting in some situations. (#594)
• Add 'external modes' (VHPIDIRECT) to string_ptr and integer_vector_ptr; add byte_vector_prt too. (#507, #476)
• Add report data to Results object/class. (#586)
• Use a Python formatter: psf/black. (#554)
• Refactor vunit/ui, vunit/sim_if, vunit/test and tests. (#572, #582)
• Deprecate array_pkg. It will be removed in future releases. Use integer_array_pkg instead. (#593)
• Python 3.4 reached End-of-life in 2019-03-18 and it is no longer tested. Support is expected to break in future releases.
• Add support for Python 3.8.
• Deprecate Python 2.7. This is the last release supporting Python 2 and Python 3. Upcoming releases will be for Python 3 only.