GODT-35: New pmapi client and manager using resty

pkg/pmapi/paging.go

@@ -0,0 +1,15 @@
+package pmapi
+
+const defaultPageSize = 100
+
+func doPaged(elements []string, pageSize int, fn func([]string) error) error {
+	for len(elements) > pageSize {
+		if err := fn(elements[:pageSize]); err != nil {
+			return err
+		}
+
+		elements = elements[pageSize:]
+	}
+
+	return fn(elements)
+}