additional work with stdin

Examples:
ssh user@host "tail -f project/shared/log/hydra.log" |logsend -influx-dbname test3 -influx-host 'hosta:4444' -regex='\d+' -debug -dry-run
ssh user@host "tail -f project/shared/log/hydra.log" |logsend -config own_configs/project.json -debug -dry-run