2.18.2 (stable):

 * uri_*(): Fix a memory leak. (Jonathon Jongsma) Bug #566845 (Jason Kasper)
 * gmmproc: 
  - CLASS_GOBJECT(): Added _CUSTOM_CTOR_CAST for classes that need to 
  include custom code in their cast and construct_params constructors as 
  already seen in _CLASS_GTKOBJECT. Bug #574861.
	- enum handling of unusually-capitalized names: For example, 
	gtk_foo_bar_get_type() instead of gtk_fo_obar_get_type(). Bug #575870.
	(José Alburquerque)
 * Build:
   - Fix the build with --disable-api-exceptions. (Daniel Elstner)
   - Fix -Wshadow warnings in NodeTree. (Hubert Figuiere) Bug #555743
   - Fix ununused variables warnings. (Hubert Figuiere) Bug #562716
   - Use single glib includes. (Przemysław Grzegorczyk) Bug #563987
   - Do not use a non-ASCII dash character, to avoid the MSVC++ warning C4819.
	   (Tao Wang) Bug #568072