Change version number.

lmether · lmether · commit b46cb62ec2df · 2021-09-06T16:55:36.000+02:00
diff --git a/PyHEADTAIL/_version.py b/PyHEADTAIL/_version.py
@@ -1 +1 @@
-__version__ = '1.14.2'
+__version__ = '1.15.0'
