[PyQt] Add Unix signal handler class to PyQt

[Kovid Goyal]

Hi Phil,

Could you please add a class to PyQt to enable handling of Unix signals
inside the Qt event loop. 

The theory for it is here: https://github.com/sijk/qt-unix-signals

A class based on that theory (MIT licensed) is here: https://github.com/sijk/qt-unix-signals

I can of course add this class to my own projects, but then it makes the
project no longer pure python.

It would be very useful to have this capability in PyQt out of the box.

Thanks,

Kovid.

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Dr. Kovid Goyal 
http://www.kovidgoyal.net
http://calibre-ebook.com
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