+= 2017.1 =
+
+Allow server to be specified.
+Update client version.
+Allow client version to be specified.
+
+= 2016.1 =
+
+Support years ahead of 2015.
+Support 2016 version of DEC files.
+Easier to add new years support.
+Do not transmit if receipt can't be saved.
+Added tests.
+
+= 2015.1 =
+
+Fix message encoding for 2015.
+
= 2015.0 =
Support 2015 version of DEC files.