Philip Withnall authored Jul 31, 2015 and Olivier Crête committed Jun 03, 2016

Expose the equivalent of the R1 and R2 variables from RFC 1122. This is
mostly useful for testing, to allow testing with high (95%) packet loss
without ever timing out — the test should complete successfully at some
point.

This adds the following new API:
 • PseudoTcpSocket:retries1
 • PseudoTcpSocket:retries2
 • PseudoTcpSocket:syn-retries
 • PseudoTcpSocket:syn-ack-retries