patch 7.4.1328

Problem:    Can't compile with +job but without +channel. (John Marriott)
Solution:   Add more #ifdefs.

patch 7.4.1327

Problem:    Channel test doesn't work if Python executable is python.exe.
Solution:   Find py.exe or python.exe. (Ken Takata)

patch 7.4.1326

Problem:    Build rules are bit too complicated.
Solution:   Remove -lwsock32 from Netbeans, it's already added for the channel
            feature that it depends on. (Tony Mechelynck)

patch 7.4.1325

Problem:    Channel test fails on difference between Unix and DOS line endings.
Solution:   Strip off CR.  Make assert show difference better.

patch 7.4.1324

Problem:    Channels with pipes don't work on MS-Windows.
Solution:   Add pipe I/O support. (Yasuhiro Matsumoto)

patch 7.4.1323

Problem:    Do not get warnings when building with MingW.
Solution:   Remove the -w flag. (Ken Takata)

patch 7.4.1322

Problem:    Crash when unletting the variable that holds the channel in a
            callback function.  (Christian Robinson)
Solution:   Increase the reference count while invoking the callback.

patch 7.4.1321

Problem:    Compiler complains about missing statement.
Solution:   Add an empty statement. (Andrei Olsen)

patch 7.4.1320

Problem:    Building with Cygwin or MingW with channel but without Netbeans
            doesn't work.
Solution:   Set NETBEANS to "no" when not used.

patch 7.4.1319

Problem:    Tests fail on MS-Windows and on Unix with GUI.
Solution:   Fix unregistering.