Rename and replace the features demo file to reflect the beta 2 version number. The old v0.4.3 demo file is removed and replaced with a new beta 2 version. Renames: - docs/examples/v0_4_3_features_demo.py -> docs/examples/v0_4_3b2_features_demo.py
Rename and replace the features demo file to reflect the beta 2 version number. The old v0.4.3 demo file is removed and replaced with a new beta 2 version. Renames: - docs/examples/v0_4_3_features_demo.py -> docs/examples/v0_4_3b2_features_demo.py