Bump to 0.3.0: Add NumPy 2.x compatibility

Author: hmallen

setup.py

@@ -1,25 +1,25 @@
 from setuptools import setup
 
-with open("README.md", "r") as fh:
+with open("README.md", "r", encoding="utf-8") as fh:
     long_description = fh.read()
 
 setup(
     name="numpyencoder",
-    version="0.2.0",
+    version="0.3.0",
     author="Hunter M. Allen",
     author_email="allenhm@gmail.com",
     license="MIT",
-    # packages=find_packages(),
     packages=["numpyencoder"],
     install_requires=["numpy>=1.14.3"],
     description="Python JSON encoder for handling Numpy data types.",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/hmallen/numpyencoder",
     keywords=["numpy", "json", "encoder"],
-    classifiers=(
+    classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
-    ),
+    ],
+    python_requires=">=3.6",
 )