
* migrate to argparse
* allow unset configuration options
* implement INFORM forwarding support (may require pysnmp's NotificationReceiver rework)
* add more configuration examples
* add some drawings explaining network topology in different configurations
* unify network endpoint string parser defaulting port part
* implement GETBULK handling at the "oidfilter" plugin
* implement PDU split at content map
* formalize request splitting-merging logic
* improve logging plugin to expand snmp-* options in log file path
* cross-link options in configuration docs
