Update library.properties

ladyada · web-flow · commit f522bf1e4dc7 · 2018-11-15T14:03:04.000-05:00
update for release
diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=Adafruit IO Arduino
-version=2.7.20
+version=2.7.21
 author=Adafruit
 maintainer=Adafruit <adafruitio@adafruit.com>
 sentence=Arduino library to access Adafruit IO.
