Patch by Serhiy Storchaka.

invalid parameters.

If messages were only added, a new file is no longer created and
renamed over the old file when flush() is called on an mbox, MMDF or
Babyl mailbox.

(helps getting results in real-time when stdio is transmitted over a pipe or socket)

They no longer lose data when an underlying read system call is interrupted.
IOError is no longer raised due to a read system call returning EINTR from
within these methods.

mktime() when timezone offest is supplied.

Loosely based on the work by Hirokazu Yamamoto.

Patch by Serhiy Storchaka.

Patch by Hallvard B Furuseth.

The tutorial had some outdated examples.  The patch also adds a caution
about the meaning of parens in the except statement.

Patch by Marien Zwart.

Previously multiprocessing only expected int or str.  It also wrongly
used an exit code of 1 when the argument was a string instead of zero.

Initial patch by mouad

'name' to 'expression' as the latter is what the string actually represents.
The bug in this issue was only catching NameError and AttributeError when
evaluating an expression that was not necessarily a name.

Code patch by Roger Serwy.