checkpoint: added the fetching for next and last known sequences in the EventPage
checkpoint: added the fetching for next and last known sequences in the EventPage

jmbledsoe/marten,ericgreenmix/marten,jmbledsoe/marten,mdissel/Marten,ericgreenmix/marten,ericgreenmix/marten,jokokko/marten,JasperFx/Marten,jamesfarrer/marten,mysticmind/marten,jmbledsoe/marten,jamesfarrer/marten,jmbledsoe/marten,mdissel/Marten,JasperFx/Marten,jmbledsoe/marten,mysticmind/marten,JasperFx/Marten,jokokko/marten,jokokko/marten,jokokko/marten,mysticmind/marten,mysticmind/marten,jamesfarrer/marten,ericgreenmix/marten,jamesfarrer/marten,jokokko/marten