bump version

Author: longemen3000

Project.toml

@@ -1,7 +1,7 @@
 name = "Clapeyron"
 uuid = "7c7805af-46cc-48c9-995b-ed0ed2dc909a"
 authors = ["Hon Wa Yew <yewhonwa@gmail.com>", "Pierre Walker <pjwalker@caltech.edu>", "Andrés Riedemann <andres.riedemann@gmail.com>"]
-version = "0.6.19"
+version = "0.6.20"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"