Update setup.py

Author: fwilliams

setup.py

@@ -91,7 +91,7 @@ def main():
 
     setuptools.setup(
         name="point-cloud-utils",
-        version="0.30.4",
+        version="0.31.0",
         author="Francis Williams",
         author_email="[email protected]",
         description="A Python library for common tasks on 3D point clouds and meshes",