Create stubs and limit page size

config/config.go

@@ -12,6 +12,7 @@ var (
 	Public    string
 	StoreAddr string
 	StoreNS   string
+	Page      int
 )
 
 func init() {
@@ -24,6 +25,7 @@ func New() {
 	}
 	as := args.NewArgSet()
 	as.Append(args.INT, "p", "port to listen on", 52222)
+	as.Append(args.INT, "page", "page size for requests", 20)
 	as.Append(args.STRING, "d", "dir with public files", "./public")
 	as.Append(args.STRING, "s", "mongodb address", "localhost:27017")
 	as.Append(args.STRING, "ns", "mongodb database", "cheqbooq")
@@ -31,6 +33,7 @@ func New() {
 		panic(err)
 	}
 	Port = fmt.Sprintf(":%d", as.GetInt("p"))
+	Page = as.GetInt("page")
 	Public = as.GetString("d")
 	StoreAddr = as.GetString("s")
 	StoreNS = as.GetString("ns")