Update revision log

sandeepmistry · sandeepmistry · commit f69e17ed84ca · 2016-09-14T14:11:14.000-04:00
diff --git a/CHANGELOG b/CHANGELOG
@@ -16,6 +16,7 @@ SAMD CORE 1.6.7
 * Improved reliability of SerialUSB under heavy load (this should solve
   all issues with MKR1000/WiFi101 firmware updater on MacOSX)
 * Improved SerialUSB.read() performance
+* Added String::toDouble()
 
 SAMD CORE 1.6.6 2016.05.19
 
