Update version to 0.20.0

Author: boutinb

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: jaspTools
 Type: Package
 Title: Helps Preview and Debug JASP Analyses
-Version: 0.19.2
+Version: 0.20.0
 Authors@R: c(
     person("Tim", "de Jong", role = "aut"),
     person("Don", "van den Bergh", role = c("ctb", "cre"), email = "[email protected]"))