bump version

Author: Jisk Attema

CITATION.cff

@@ -33,6 +33,6 @@ cff-version: "1.1.0"
 license: "Apache-2.0"
 message: "If you use this software, please cite it using these metadata."
 title: "PSRdada network connection - science case 4"
-version: "0.1.1"
+version: "0.1.3"
 date-released: 2020-07-14
 ...