update actions, add MANIFEST

Author: trevismd

.github/workflows/python-package.yml

@@ -19,9 +19,9 @@ jobs:
         python-version: [3.7, 3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -45,4 +45,4 @@ jobs:
         unset NUMBA_DISABLE_JIT
         coverage report -m
     - name: Upload Coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v3

MANIFEST.in

@@ -0,0 +1,2 @@
+include requirements.txt
+include COPYING

setup.py

@@ -12,7 +12,7 @@
         'permutations_stats': 'permutations_stats',
         'permutations_stats.tests': 'permutations_stats/tests'
     },
-    python_requires='>3.7',
+    python_requires='>=3.7',
     install_requires=["numpy", "numba"],
     packages=['permutations_stats', 'permutations_stats.tests'],
     url='https://github.com/trevismd/permutations-stats',