Modernize packaging (#12)

* Fix up packaging
* drop python 3.7 support

.github/workflows/gh-ci.yaml

@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3

CHANGES

@@ -17,6 +17,11 @@ The rules for this file:
 
 ------------------------------------------------------------------------------
 
-* 1.0.0
+* 0.3.0
 
-  * Added various flake8 / pep8 fixes. 
+  * Switch fully to pyproject.toml setup
+  * Remove support for Python 3.7
+
+* 0.2.0
+
+  * Add Python 3.12 support

mda_xdrlib/__init__.py

@@ -1,8 +1,5 @@
 from . import xdrlib
-from . import _version
+from importlib.metadata import version
 
 
-__version__ = _version.get_versions()['version']
-
-from . import _version
-__version__ = _version.get_versions()['version']
+__version__ = version("mda_xdrlib")