Tag values can be missing keys

Fix commands

Warn on invalid tag rather than drop

TraceWriter and status code handling for doggotel

Fix entry.At and LogType fields

Add body to dogtrace ErrHandler

dogudp shutdown handling

Closer and option fix for doginflux

Fix time overwriting in log handler, Message can be anything

Minor API cleanups

Clean up some detritus in influx writer

Close method for writer, fix metric path

Add Close to udpsrv

Dump in API trace format

Document discovery

Add some error checks, remove stutter from span name

RING RING WOOF WOOF

Fix close error

Bridge to OTLP

InfluxDB writer support