Merge mgz's patch for flushing the TestProtocolClient stream.

diff --cc NEWS
index 1af8ef57081202d9cc27570d17edf757a1c62d1a,1af8ef57081202d9cc27570d17edf757a1c62d1a..e8cc27a15170f4a349be3dde3c7ba48f04f03d48
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -48,6 -48,6 +48,10 @@@ IMPROVEMENT
    non-details based test information; this should consistently UTF8 encode such
    strings.
  
++* The Python TestProtocolClient now flushes output on startTest and stopTest.
++  (Martin [gz]).
++
++
  0.0.5
  -----