Log Message:
Update to 0.10.4.

Changes since 0.10.3:

      * Conditional compile of core API additions
      * wrapped gst.BaseSrc and gst.PushSrc

Bugs fixed since 0.10.3:

      * 339010 : segfault/undefined behavior with optional GstCaps args
      * 337876 : TagList does not retreive tags by key if 2 or more tags w...

API added since 0.10.3:

      * gst.get_gst_version()
      * gst.get_pygst_version()

Changes since 0.10.2:

      * Backwards compatibility with older GStreamer installations
      * Wrapping of new API in GStreamer
      * Bug-fixes and enhancements

Bugs fixed since 0.10.2:

      * 329110 : gst-python sets RTLD_GLOBAL when importing, but doesn't s...
      * 332586 : pygst.require should raise an error based on StandardErro...
      * 333055 : PYGIL_API_IS_BUGGY is already defined in pygobect.h
      * 331616 : gst.version and gst.gst_version differ