Increment version number to 1.4.0

Author: hfrick

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: dials
 Title: Tools for Creating Tuning Parameter Values
-Version: 1.3.0.9000
+Version: 1.4.0
 Authors@R: c(
     person("Max", "Kuhn", , "[email protected]", role = "aut"),
     person("Hannah", "Frick", , "[email protected]", role = c("aut", "cre")),