Fix pagination

Problem:
Pagination is not showing up

Solution:
Pagination was being created properly but then dropped in favor of an
empty version. Save the pagination on the context so it can be accessed
later and not reset.

types/server_types.go

@@ -101,6 +101,7 @@ type APIContext struct {
 	URLBuilder                  URLBuilder
 	AccessControl               AccessControl
 	SubContext                  map[string]string
+	Pagination                  *Pagination
 
 	Request  *http.Request
 	Response http.ResponseWriter