version bump

Oliver Lammas · Oliver Lammas · commit f3fa9be843ec · 2019-01-23T15:32:11.000-08:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "intervaltree"
-version = "3.1.0"
+version = "4.0.0"
 description = ""
 authors = ["Your Name <you@example.com>"]
 
