Original commit message from CVS:
* gst/gst-types.c:
remove, it's called gst-argtypes.c these days
* gst/common.h:
* gst/gst-argtypes.c: (pygst_caps_from_pyobject):
add function to transform a PyObject to a GstCaps*
* gst/gstcaps.override:
implement more sequence functions, deprecate caps.get_structure() in
favour of caps[i] and make the structure-by-reference stuff work
* gst/gststructure.override:
make structures from caps work by reference but don't die a horrible
death if the caps get removed before the structure is
* testsuite/Makefile.am:
run with G_DEBUG=fatal_warnings so we crash on g_warnings in C code
* testsuite/test_caps.py:
add some checks