Update npmNaming range (close #401)

server/utils.go

@@ -21,7 +21,7 @@ var (
 	regFullVersionPath  = regexp.MustCompile(`([^/])@\d+\.\d+\.\d+[a-zA-Z0-9\.\+\-_]*(/|$)`)
 	regBuildVersionPath = regexp.MustCompile(`^/v\d+/`)
 	regLocPath          = regexp.MustCompile(`(\.[a-z]+):\d+:\d+$`)
-	npmNaming           = valid.Validator{valid.FromTo{'a', 'z'}, valid.FromTo{'0', '9'}, valid.Eq('.'), valid.Eq('_'), valid.Eq('-')}
+	npmNaming           = valid.Validator{valid.FromTo{'a', 'z'}, valid.FromTo{'A', 'Z'}, valid.FromTo{'0', '9'}, valid.Eq('.'), valid.Eq('_'), valid.Eq('-')}
 )
 
 type stringSet struct {