v0.4.0 — Command-line interface and listing all known versions

- `major_versions()`, `minor_versions()`, `micro_versions()`, and `subversions()` now take optional `unreleased` arguments for including unreleased versions
- `is_supported()` now accepts major and micro versions
- `UnknownVersionError` now inherits `ValueError`
- Added a command-line interface

Author: jwodder

CHANGELOG.md

@@ -1,5 +1,5 @@
-v0.4.0 (in development)
------------------------
+v0.4.0 (2021-10-03)
+-------------------
 - `major_versions()`, `minor_versions()`, `micro_versions()`, and
   `subversions()` now take optional `unreleased` arguments for including
   unreleased versions

src/pyversion_info/__init__.py

@@ -15,7 +15,7 @@
 Visit <https://github.com/jwodder/pyversion-info> for more information.
 """
 
-__version__ = "0.4.0.dev1"
+__version__ = "0.4.0"
 __author__ = "John Thorvald Wodder II"
 __author_email__ = "pyversion-info@varonathe.org"
 __license__ = "MIT"