The option is called 'statistic' not 'statistics'
Merge branch 'master' of github.com:hgn/captcp

* 'master' of github.com:hgn/captcp:
  socketstatistic: adjust to new ss output format
  socketstatistic: increase sampling rate will lead to graph collisions
  socketstatistic: more exact output message
  Captcp Version 1.6
  socketstatistic: add socket memory graph
  socketstatistic: add cwnd and ssthresh plot
  socketstatistic: change colors for graph
  socketstatistic: add RTO to RTT graph
  socketstatistic: clever output messages
  socketstatistic: format output
  socketstatistic: convert msec to seconds
  socketstatistic: gnuplot output name do not match
  socketstatistics: ss command only available under Linux - exit programm
  core: add platform information to --check
  core: add --check command to gather system information
  timesequence: fix exception
  timesequence: fix exception