2.13.1 02-may-2007
        - Generic CClosure marshaller using libffi (Johan, #353816)
	- Uninstalled .pc file (Damien Carbery, #385129)
	- Fix leak in GFlags handling (Daniel Berrange, #428726)
	- Use dirname in autogen (Loïc Minier, #409234)
	- Treat None in a GValueArray as pointer/NULL (Ed Catmur, #352209)
	- Toggle reference bug fix in tp_setattro (Gustavo, #434659)
	- Add a simplified helper for creating properties (Johan, Gustavo, #338089)
	- Avoid throwing an exception in GValue converter (James Livingstone,
          Ed Catmur, #374653)
	- Build fix in .pc file (Luca Ferretti, #435132)