1.4.7

• Improve _CArrayType alias import. By @junkmd.
• Rename _byref_type and _carg_obj to _CArgObject. By @junkmd.
• Fix typos and make the wording more natural in README.md. By @umarbutler.
• Modernize BSTR definition. By @junkmd.
• Modernize tagDEC definition. By @junkmd.
• Remove methods with mangling names in typeinfo. By @junkmd.
• Rename test_istream to test_stream. By @junkmd.
• Add test_msvidctl. By @junkmd.
• Add test_storage. By @junkmd.
• Add test_monikers. By @junkmd.
• Add test_shelllink. By @junkmd.
• Add test_persist. By @junkmd.
• Modernize persist. By @junkmd.
• Add type annotations to shelllink. By @junkmd.
• Bump python_requires to >=3.8 in setup.cfg. By @junkmd.