Use the 0.0.1 tag as our new bootstrap base

azure-pipelines.yml

           echo Executing Build and Tests
           reg add HKLM\SYSTEM\CurrentControlSet\Control\FileSystem /v LongPathsEnabled /t REG_DWORD /d 1 /f || exit 1
           python -m pip install pytest pytest-xdist || exit 1
-          python -u tools/ci.py -B build -T tools\msvc.dds || exit 1
+          python -u tools/ci.py -B download -T tools\msvc.dds || exit 1
         displayName: Full CI
       - publish: _build/dds.exe
         artifact: DDS Executable - Windows VS2019
       - script: |
           set -eu
           sudo apt update -y
-          sudo apt install -y python3-minimal g++-9 g++-8 ccache
+          sudo apt install -y python3-minimal g++-9 ccache
           python3 -m pip install pytest pytest-xdist
         displayName: Prepare System
-      - script: python3 -u tools/ci.py -B build -T tools/gcc-9.dds
+      - script: python3 -u tools/ci.py -B download -T tools/gcc-9.dds
         displayName: Full CI
       - publish: _build/dds
         artifact: DDS Executable - Linux
     pool:
       vmImage: macOS-10.14
     steps:
-      - script: brew install gcc@8 gcc@9 ccache
+      - script: brew install gcc@9 ccache
         displayName: Prepare System
       - script: |
           set -eu
           python3 -m pip install pytest pytest-xdist
-          python3 -u tools/ci.py -B build -T tools/gcc-9.dds
+          python3 -u tools/ci.py -B download -T tools/gcc-9.dds
         displayName: Build and Run Unit Tests
       - publish: _build/dds
         artifact: DDS Executable - macOS

tools/bootstrap.py

 BOOTSTRAP_PHASES = [
     BootstrapPhase('bootstrap-p1', 'g++-8', 'cl.exe'),
     BootstrapPhase('bootstrap-p4', 'g++-8', 'cl.exe'),
-    BootstrapPhase('bootstrap-p5', 'g++-9', 'cl.exe'),
+    BootstrapPhase('0.0.1', 'g++-9', 'cl.exe'),
 ]
 
 HERE = Path(__file__).parent.absolute()

tools/ci.py

     if filename is None:
         raise RuntimeError(f'We do not have a prebuilt DDS binary for '
                            f'the "{sys.platform}" platform')
-    url = f'https://github.com/vector-of-bool/dds/releases/download/bootstrap-p4/{filename}'
+    url = f'https://github.com/vector-of-bool/dds/releases/download/0.0.1/{filename}'
 
     print(f'Downloading prebuilt DDS executable: {url}')
     stream = urllib.request.urlopen(url)