Support Python 3.8 to Python 3.13

Author: LBeaudoux

.github/workflows/ci.yml

@@ -13,10 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.7','3.8', '3.9', '3.10', '3.11', '3.12']
-        exclude:
-          - os: macos-latest
-            python-version: '3.7'
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4

README.md

@@ -18,7 +18,7 @@ Lang(name='French', pt1='fr', pt2b='fre', pt2t='fra', pt3='fra', pt5='')
 ```console
 $ pip install iso639-lang
 ```
-`iso639-lang` supports Python 3.7+.  
+`iso639-lang` supports Python 3.8+.  
 
 ## Usage
 
@@ -47,9 +47,9 @@ And now with the identifier of a group of languages.
 >>> lg = Lang("cel")
 >>> lg.name # 639-5 English name
 'Celtic languages'
->>> lg.pt2b # 639-2 bibliographic identifier
+>>> lg.pt2b # 639-2/B bibliographic identifier
 'cel'
->>> lg.pt2t # 639-2 terminological identifier
+>>> lg.pt2t # 639-2/T terminological identifier
 'cel'
 >>> lg.pt5 # 639-5 identifier
 'cel'
@@ -85,7 +85,7 @@ You can use the `asdict` method to return ISO 639 values as a Python dictionary
 {'name': 'French', 'pt1': 'fr', 'pt2b': 'fre', 'pt2t': 'fra', 'pt3': 'fra', 'pt5': ''}
 ```
 
-### In data structures
+### In Data Structures
 
 Lists of `Lang` instances are sortable by name. 
 ```python

setup.py

@@ -13,17 +13,18 @@
     url="https://github.com/LBeaudoux/iso639",
     packages=setuptools.find_packages(),
     classifiers=[
-        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Development Status :: 5 - Production/Stable",
     ],
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     package_data={"iso639": ["data/*.json"]},
     install_requires=[
         "importlib-resources;python_version<'3.9'",