expose Version.NewerThan

NewerThan is useful outside of the package

plugin/discovery/meta_set.go

@@ -100,7 +100,7 @@ func (s PluginMetaSet) Newest() PluginMeta {
 			panic(err)
 		}
 
-		if first == true || version.newerThan(winnerVersion) {
+		if first == true || version.NewerThan(winnerVersion) {
 			winner = p
 			winnerVersion = version
 			first = false

plugin/discovery/version.go

@@ -32,6 +32,6 @@ func (v Version) String() string {
 	return v.raw.String()
 }
 
-func (v Version) newerThan(other Version) bool {
+func (v Version) NewerThan(other Version) bool {
 	return v.raw.GreaterThan(other.raw)
 }