require at least julia 1.3

visr · visr · commit 7ba59a8c14aa · 2019-11-29T16:02:43.000+01:00
this is needed if we are to use Artifacts
diff --git a/Project.toml b/Project.toml
@@ -12,4 +12,4 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 [compat]
 CEnum = "0.2.0"
 GeoInterface = "0.4.0"
-julia = "1.0.0"
+julia = "1.3.0"
