bump version (datetime.date, numpy masked json encoding)

chriddyp · chriddyp · commit 54dbb4e0d14c · 2014-12-12T14:40:47.000-08:00
diff --git a/plotly/version.py b/plotly/version.py
@@ -1 +1 @@
-__version__ = '1.4.10'
+__version__ = '1.4.11'
