Merge pull request #65 from sakuraio/release/v1.1.5

Release v1.1.5

Author: chibiegg

library.properties

@@ -1,5 +1,5 @@
 name=SakuraIO
-version=1.1.4
+version=1.1.5
 author=SAKURA Internet Inc. <support@sakura.ad.jp>
 maintainer=chibiegg <y-egusa@sakura.ad.jp>
 sentence=Library for Sakura Communication Module (https://sakura.io/)