* tidy up and simplify python/cython/pypi setup and directory structure

* rename python modules with consistent nomenclature (breaking changes!)

.github/workflows/pypi-deploy.yml

@@ -0,0 +1,97 @@
+
+name: Build Python Wheels
+
+on:
+  push:
+    #branches: [master]
+    tags: ["v[0-9]+.[0-9]+.[0-9]+"]
+
+jobs:
+
+  build_setup:
+    name: Prepare environment for wheel builds
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Prepare wheel build
+        run: make -C python/ setup
+      - name: Store wheel configuration files
+        uses: actions/upload-artifact@v2
+        with:
+          name: wheel-config
+          path: python/
+
+  build_wheels:
+    name: Build binary wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    needs: [build_setup]
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019]
+        arch: [auto32, auto64, aarch64]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Install cibuildwheel
+        run: python -m pip install cibuildwheel==2.1.2
+      - name: Get wheel configuration files
+        uses: actions/download-artifact@v2
+        with:
+          name: wheel-config
+          path: python/
+      - name: Build wheels
+        run: python -m cibuildwheel --output-dir wheelhouse
+        working-directory: python/
+        # env:
+        #   CIBW_BUILD: cp36-* cp37-* cp38-* cp39-* cp310-*
+      - name: Store binary wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: binary-wheels
+          path: python/wheelhouse/*.whl
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    needs: [build_setup]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install cython
+        run: python -m pip install cython==0.29.24
+      - name: Get wheel configuration files
+        uses: actions/download-artifact@v2
+        with:
+          name: wheel-config
+          path: python/
+      - name: Build sdist
+        run: python setup.py sdist
+        working-directory: python/
+      - name: Store source wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: source-wheels
+          path: python/dist/*.tar.gz
+
+
+  upload_pypi:
+    name: Upload binary wheels to PyPI
+    runs-on: ubuntu-20.04
+    needs: [build_wheels, build_sdist]
+
+    steps:
+      - name: Get source wheels
+        uses: actions/download-artifact@v2
+        with:
+          name: source-wheels
+          path: dist/
+      - name: Get binary wheels
+        uses: actions/download-artifact@v2
+        with:
+          name: binary-wheels
+          path: dist/
+
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.TDMTERMITE_GITHUB_WORKFLOW_PYPI_API_TOKEN }}