Overview of Changes from GLib 2.7.2 to GLib 2.7.3
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* GOption
 - Allow callbacks with optional arguments [Pawel Sliwowski]
 - Allow to turn off the automatic long option name
   disambiguation  [Adam McLaurin]
 - Only allow printable ASCII as short option names [Matthias]
* Win32
 - Build fixes [Tor Lillqvist]
 - Rewrite iochannel socket implementation [Tor]
* GObject
 - Threadsafety improvements; in particular, refcounting
   of objects is done atomically now. [Wim Taymans, Tim Janik]
* Bug fixes [Morten Welinder, Matthias, Wim Taymans]
* Documentation improvements [Richard Laager, Matthias]
* New and improved translations (bf,cs,hu,nb,nl,no)