Exclude tests from wheel. Fixes #241.

setup.py

@@ -22,6 +22,9 @@ else:
     pkg_name = "rns"
     requirements = ['cryptography>=3.4.7', 'pyserial>=3.5', 'netifaces']
 
+excluded_modules = exclude=["tests.*", "tests"]
+packages = setuptools.find_packages(exclude=excluded_modules)
+
 setuptools.setup(
     name=pkg_name,
     version=__version__,
@@ -31,7 +34,7 @@ setuptools.setup(
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://reticulum.network/",
-    packages=setuptools.find_packages(),
+    packages=packages,
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: MIT License",