Bump version to 2.0.1

Author: queelius

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="AlgoTree",
-    version="2.0.0",
+    version="2.0.1",
     author="Alex Towell",
     author_email="lex@metafunctor.com",
     description="Immutable-by-default tree manipulation library with functional programming patterns and composable transformations",