diff --git a/.github/workflows/_build_and_publish_documentation.yml b/.github/workflows/_build_and_publish_documentation.yml
new file mode 100644
index 0000000..e89e8f9
--- /dev/null
+++ b/.github/workflows/_build_and_publish_documentation.yml
@@ -0,0 +1,110 @@
+name: Build and publish documentation
+
+on: workflow_call
+
+env:
+  DEFAULT_BRANCH: 'release'
+  #SPHINXOPTS: '-W --keep-going -T'
+  # ^-- If these SPHINXOPTS are enabled, then be strict about the builds and fail on any warnings
+
+jobs:
+  build-and-publish-docs:
+    name: Build and publish documentation
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout active branch
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          lfs: true
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'pip' # cache pip dependencies
+      - name: Install dependencies
+        run: |
+          pip install -r requirements-dev.txt
+      - name: Print debugging information
+        run: |
+          echo "github.ref:" ${{github.ref}}
+          echo "github.event_name:" ${{github.event_name}}
+          echo "github.head_ref:" ${{github.head_ref}}
+          echo "github.base_ref:" ${{github.base_ref}}
+          set -x
+          git rev-parse --abbrev-ref HEAD
+          git branch
+          git branch -a
+          git remote -v
+          python -V
+          pip list --not-required
+          pip list
+
+      # Build documentation
+      - uses: sphinx-doc/github-problem-matcher@master
+      - name: Build documentation
+        run: |
+          cd docs
+          make html
+
+      - name: Clone and cleanup gh-pages branch
+        run: |
+          set -x
+          git fetch
+          ( git branch gh-pages remotes/origin/gh-pages && git clone . --branch=gh-pages _gh-pages/ ) || mkdir _gh-pages
+          rm -rf _gh-pages/.git/
+          mkdir -p _gh-pages/branch/
+
+      # Delete orphaned branch-folders:
+      # Go through each subfolder in _gh-pages/branch/
+      # If it relates to an orphaned branch, delete it.
+      - name: Delete orphaned branch-folders
+        run: |
+          set -x
+          for brdir in `ls _gh-pages/branch/` ; do
+              brname=${brdir//--/\/}   # replace '--' with '/'
+              if ! git show-ref remotes/origin/$brname ; then
+                  echo "Removing $brdir"
+                  rm -r _gh-pages/branch/$brdir/
+              fi
+          done
+
+      # Copy documentation to _gh-pages/  (if push happened on release branch)
+      - name: Copy documentation to _gh-pages/
+        if: |
+          contains(github.ref, env.DEFAULT_BRANCH)
+        run: |
+          set -x
+          # Delete everything under _gh-pages/ that is from the
+          # primary branch deployment.  Excludes the other branches
+          # _gh-pages/branch-* paths, and not including
+          # _gh-pages itself.
+          find _gh-pages/ -mindepth 1 ! -path '_gh-pages/branch*' -delete
+          rsync -a docs/build/html/ _gh-pages/
+
+      # Copy documentation to _gh-pages/branch/$brname  (if push happened on any other branch)
+      # ('/' gets replaced by '--')
+      - name: Copy documentation to _gh-pages/branch/${{github.ref}}
+        if: |
+          !contains(github.ref, env.DEFAULT_BRANCH)
+        run: |
+          set -x
+          #brname=$(git rev-parse --abbrev-ref HEAD)
+          brname="${{github.ref}}"
+          brname="${brname##refs/heads/}"
+          brdir=${brname//\//--}   # replace '/' with '--'
+          rm -rf   _gh-pages/branch/${brdir}
+          rsync -a docs/build/html/ _gh-pages/branch/${brdir}
+
+      # Add .nojekyll file
+      - name: Add .nojekyll file
+        run: touch _gh-pages/.nojekyll
+
+      # Publish: Commit gh-pages branch and publish it to GitHub Pages
+      - name: Publish documentation
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          publish_branch: gh-pages
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: _gh-pages/
+          force_orphan: true
diff --git a/.github/workflows/_build_package.yml b/.github/workflows/_build_package.yml
new file mode 100644
index 0000000..7872bc7
--- /dev/null
+++ b/.github/workflows/_build_package.yml
@@ -0,0 +1,54 @@
+name: Build Package
+
+on: workflow_call
+
+jobs:
+  build:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+          lfs: true
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'pip' # cache pip dependencies
+      - name: Install build and twine
+        run: pip install build twine
+      - name: Run build
+        run: python -m build
+      - name: Run twine check
+        run: twine check --strict dist/*
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./dist/*.tar.gz
+
+  # build_wheels:
+  #   name: Build wheels for ${{ matrix.platform }}
+  #   needs:
+  #     - black
+  #     - ruff
+  #     - pyright
+  #     - test
+  #   runs-on: ${{ matrix.platform }}
+  #   strategy:
+  #     matrix:
+  #       platform: [ubuntu-latest, macos-latest, windows-latest]
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #       with:
+  #         fetch-depth: 1
+  #         lfs: true
+  #     - uses: actions/setup-python@v4
+  #       with:
+  #         python-version: '3.11'
+  #         cache: 'pip' # cache pip dependencies
+  #     - name: Install cibuildwheel
+  #       run: python -m pip install cibuildwheel==2.16
+  #     - name: Build wheels
+  #       run: python -m cibuildwheel --output-dir wheels
+  #     - uses: actions/upload-artifact@v3
+  #       with:
+  #         path: ./wheels/*.whl
diff --git a/.github/workflows/_code_quality.yml b/.github/workflows/_code_quality.yml
new file mode 100644
index 0000000..2ee8247
--- /dev/null
+++ b/.github/workflows/_code_quality.yml
@@ -0,0 +1,50 @@
+name: Code Quality
+
+on: workflow_call
+
+jobs:
+  black:
+    name: black
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: psf/black@stable
+        with:
+          options: '--check --diff'
+          src: '.'
+          jupyter: true
+          version: '==23.12'
+
+  ruff:
+    runs-on: ubuntu-latest
+    name: ruff
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'pip' # cache pip dependencies
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+      - name: Install ruff
+        run: pip install ruff==0.1.8
+      - name: Run ruff
+        run: ruff .
+
+  pyright:
+    runs-on: ubuntu-latest
+    name: pyright
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'pip' # cache pip dependencies
+      - name: Install dependencies
+        run: |
+          pip install -r requirements.txt
+          pip install pytest
+      - name: Install pyright
+        run: pip install pyright==1.1.338
+      - name: Run pyright
+        run: pyright .
diff --git a/.github/workflows/_merge_into_release.yml b/.github/workflows/_merge_into_release.yml
new file mode 100644
index 0000000..cec3964
--- /dev/null
+++ b/.github/workflows/_merge_into_release.yml
@@ -0,0 +1,25 @@
+name: Merge into release
+
+on:
+  workflow_call:
+    secrets:
+      RELEASE_TOKEN:
+        required: true
+
+jobs:
+  merge_into_release:
+    name: Merge ${{ github.event.ref }} -> release branch
+    runs-on: ubuntu-latest
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # Fetch the whole history to prevent unrelated history errors
+          fetch-depth: 0
+          # The branch you want to checkout (usually equal to `branchtomerge`)
+          # ref: ${{ github.event.ref }}
+      - uses: devmasx/merge-branch@v1.4.0
+        with:
+          type: now
+          target_branch: release
+          github_token: ${{ secrets.RELEASE_TOKEN }}
diff --git a/.github/workflows/_publish_package.yml b/.github/workflows/_publish_package.yml
new file mode 100644
index 0000000..fe0b5b6
--- /dev/null
+++ b/.github/workflows/_publish_package.yml
@@ -0,0 +1,22 @@
+name: Publish Package to pypi
+
+on:
+  workflow_call:
+    secrets:
+      PYPI_API_TOKEN:
+        required: true
+
+jobs:
+  publish:
+    name: Publish package
+    runs-on: ubuntu-latest
+    environment: pypi
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: ./dist/
+      - uses: pypa/gh-action-pypi-publish@v1.5.2
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/.github/workflows/_publish_package_test.yml b/.github/workflows/_publish_package_test.yml
new file mode 100644
index 0000000..971d7fd
--- /dev/null
+++ b/.github/workflows/_publish_package_test.yml
@@ -0,0 +1,22 @@
+name: Publish Package to testpypi
+
+on:
+  workflow_call:
+    secrets:
+      TEST_PYPI_API_TOKEN:
+        required: true
+
+jobs:
+  publish:
+    name: Publish package
+    runs-on: ubuntu-latest
+    environment: pypi
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: ./dist/
+      - uses: pypa/gh-action-pypi-publish@v1.5.2
+        with:
+          user: __token__
+          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
new file mode 100644
index 0000000..8b21b41
--- /dev/null
+++ b/.github/workflows/_test.yml
@@ -0,0 +1,35 @@
+name: Unit Tests
+
+on: workflow_call
+
+jobs:
+  test:
+    name: Test on ${{matrix.python.toxenv}}-${{matrix.platform.toxenv}}
+    runs-on: ${{ matrix.platform.runner }}
+    strategy:
+      matrix:
+        platform:
+          - runner: ubuntu-latest
+            toxenv: linux
+          - runner: windows-latest
+            toxenv: windows
+        python:
+          - version: '3.9'
+            toxenv: 'py39'
+          - version: '3.10'
+            toxenv: 'py310'
+          - version: '3.11'
+            toxenv: 'py311'
+          - version: '3.12'
+            toxenv: 'py312'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Python ${{ matrix.python.version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python.version }}
+          cache: 'pip' # cache pip dependencies
+      - name: Install tox
+        run: python -m pip install tox
+      - name: Run pytest
+        run: tox -e ${{matrix.python.toxenv}}-${{matrix.platform.toxenv}}
diff --git a/.github/workflows/_test_future.yml b/.github/workflows/_test_future.yml
new file mode 100644
index 0000000..5d07fee
--- /dev/null
+++ b/.github/workflows/_test_future.yml
@@ -0,0 +1,31 @@
+name: Unit Tests (py312)
+# Test also with Python 3.12 (experimental; workflow will not fail on error.)
+
+on: workflow_call
+
+jobs:
+  test312:
+    name: Test on ${{matrix.python.toxenv}}-${{matrix.platform.toxenv}} (experimental)
+    continue-on-error: true
+    runs-on: ${{ matrix.platform.runner }}
+    strategy:
+      matrix:
+        platform:
+          - runner: ubuntu-latest
+            toxenv: linux
+          - runner: windows-latest
+            toxenv: windows
+        python:
+          - version: '3.13.0a2'
+            toxenv: 'py313'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Python ${{ matrix.python.version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python.version }}
+          cache: 'pip' # cache pip dependencies
+      - name: Install tox
+        run: python -m pip install tox
+      - name: Run pytest
+        run: tox -e ${{matrix.python.toxenv}}-${{matrix.platform.toxenv}}
diff --git a/.github/workflows/nightly_build.yml b/.github/workflows/nightly_build.yml
new file mode 100644
index 0000000..28f6868
--- /dev/null
+++ b/.github/workflows/nightly_build.yml
@@ -0,0 +1,22 @@
+name: Nightly Build
+run-name: Nightly Build (by @${{ github.actor }})
+
+on:
+  schedule:
+    - cron: '30 5 * * *'
+
+jobs:
+  code_quality:
+    uses: ./.github/workflows/_code_quality.yml
+  test:
+    uses: ./.github/workflows/_test.yml
+  test_future:
+    uses: ./.github/workflows/_test_future.yml
+  build_package:
+    needs:
+      - test
+    uses: ./.github/workflows/_build_package.yml
+  build_and_publish_documentation:
+    needs:
+      - build_package
+    uses: ./.github/workflows/_build_and_publish_documentation.yml
diff --git a/.github/workflows/publish_release.yml b/.github/workflows/publish_release.yml
new file mode 100644
index 0000000..d7aa770
--- /dev/null
+++ b/.github/workflows/publish_release.yml
@@ -0,0 +1,27 @@
+name: Publish Release
+run-name: Publish Release ${{ github.event.ref }} created by @${{ github.actor }}
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build_package:
+    uses: ./.github/workflows/_build_package.yml
+  # publish_package:
+  #   needs:
+  #     - build_package
+  #   uses: ./.github/workflows/_publish_package.yml
+  #   secrets:
+  #     PYPI_API_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
+  publish_package_test:
+    needs:
+      - build_package
+    uses: ./.github/workflows/_publish_package_test.yml
+    secrets:
+      TEST_PYPI_API_TOKEN: ${{ secrets.TEST_PYPI_API_TOKEN }}
+  merge_into_release:
+    uses: ./.github/workflows/_merge_into_release.yml
+    secrets:
+      RELEASE_TOKEN: ${{ secrets.RELEASE_TOKEN }}
diff --git a/.github/workflows/pull_request_to_main.yml b/.github/workflows/pull_request_to_main.yml
new file mode 100644
index 0000000..2bff438
--- /dev/null
+++ b/.github/workflows/pull_request_to_main.yml
@@ -0,0 +1,28 @@
+name: Pull Request to main
+run-name: Pull Request to main from ${{ github.event.pull_request.head.ref }} by @${{ github.actor }}
+
+on:
+  pull_request:
+    types:
+      - opened
+#      - synchronize
+      - reopened
+      - ready_for_review
+      - converted_to_draft
+    branches:
+      - main
+
+concurrency:
+  group: pr-${{ github.ref }}-1
+  cancel-in-progress: true
+
+jobs:
+  code_quality:
+    uses: ./.github/workflows/_code_quality.yml
+  test:
+    uses: ./.github/workflows/_test.yml
+#  build_package:
+#    needs:
+#      - code_quality
+#      - test
+#    uses: ./.github/workflows/_build_package.yml
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
new file mode 100644
index 0000000..08debf2
--- /dev/null
+++ b/.github/workflows/push.yml
@@ -0,0 +1,18 @@
+name: Push to custom branches
+run-name: Push to ${{ github.ref }} by @${{ github.actor }}
+
+on:
+  push:
+    branches-ignore:
+      - main
+      - release
+
+concurrency:
+  group: push-${{ github.ref }}-1
+  cancel-in-progress: true
+
+jobs:
+  code_quality:
+    uses: ./.github/workflows/_code_quality.yml
+  test:
+    uses: ./.github/workflows/_test.yml
diff --git a/.github/workflows/push_to_main.yml b/.github/workflows/push_to_main.yml
new file mode 100644
index 0000000..735f70b
--- /dev/null
+++ b/.github/workflows/push_to_main.yml
@@ -0,0 +1,26 @@
+name: Push to main
+run-name: Push to main by @${{ github.actor }}
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: push-${{ github.ref }}-1
+  cancel-in-progress: true
+
+jobs:
+  code_quality:
+    uses: ./.github/workflows/_code_quality.yml
+  test:
+    uses: ./.github/workflows/_test.yml
+  build_package:
+    needs:
+      - code_quality
+      - test
+    uses: ./.github/workflows/_build_package.yml
+  build_and_publish_documentation:
+    needs:
+      - build_package
+    uses: ./.github/workflows/_build_and_publish_documentation.yml
diff --git a/.github/workflows/push_to_release.yml b/.github/workflows/push_to_release.yml
new file mode 100644
index 0000000..8880838
--- /dev/null
+++ b/.github/workflows/push_to_release.yml
@@ -0,0 +1,15 @@
+name: Push to release
+run-name: Push to release by @${{ github.actor }}
+
+on:
+  push:
+    branches:
+      - release
+
+concurrency:
+  group: push-${{ github.ref }}-1
+  cancel-in-progress: true
+
+jobs:
+  build_and_publish_documentation:
+    uses: ./.github/workflows/_build_and_publish_documentation.yml