Updated every 60 seconds, cycles history.txt to prevhistory.txt every 600 seconds.
Format is: Year, Month, Day, Hour, Minute, Second, S_SSRC, R_SSRC, S_SSRC IP, R_SSRC IP, Loss, RTT, Jitter
2010,9,9,9:27:41,0x125b0251,0x125b0251,193.10.252.24,193.10.252.24,-1,0,0
2010,9,9,9:28:41,0x125b0251,0x125b0251,193.10.252.24,193.10.252.24,-1,0,0