Fix echo-pipe.py

$python echo-pipe.py
C-d C-c
Traceback (most recent call last):
  File "pipesrv.py", line 14, in signal_cb
    pipe_stdin.close()
pyuv.error.HandleClosedError: Handle is closing/closed
Merge pull request #134 from iskra/patch-1

Fix echo-pipe.py
Updated libuv revision to 0.10.19.
Merge pull request #138 from schlamar/v0.10

Updated libuv revision to 0.10.19
Raised version and updated changelog
Disabled TCP saturation test on Travis
Merge branch 'v0.10'

Conflicts:
	ChangeLog
	setup.py
	setup_libuv.py
Avoid malloc()-ing unnecessary things in Process.spawn
Fix NULL check and consider the case when no args are specified
Raise libuv revision
Raised version and updated changelog
Read file using proper encoding

Fixes #142
Raised libuv revision
Added flags argument to TCP.bind
Add Stream.try_write() function
Added Loop.alive attribute
Define and expose UV_TCP_IPV6ONLY constant
Updated documentation
Raised libuv revision
Raised version and updated changelog