Depend on R >= 3.5

Serialized objects changed version from older versions of R.

DESCRIPTION

 Package: mapMCDA
 Title: Produce an epidemiological risk map by weighting multiple risk
         factors
-Version: 0.4.34
+Version: 0.4.35
 Date: 2020-04-18
 Authors@R: c( person("Andrea", "Apolloni", email =
         "andrea.apolloni@cirad.fr", role = c("ctb"), comment = "Animal
@@ -22,7 +22,7 @@ Authors@R: c( person("Andrea", "Apolloni", email =
 Description: Use a Shiny interface to help users import multiple layers
         of risk factors, scale and combine them using a Multi-Criteria
         Decision Analysis approach to produce a risk map as an outcome.
-Depends: R (>= 3.2)
+Depends: R (>= 3.5)
 License: GPL-3 + file LICENSE
 Encoding: UTF-8
 LazyData: true