Original commit message from CVS:
* gst/gstpad.c: (gst_pad_push_event), (gst_pad_send_event):
* libs/gst/base/gstbasesrc.c: (gst_base_src_query_latency),
(gst_base_src_default_query), (gst_base_src_get_range),
(gst_base_src_start):
* tests/check/pipelines/parse-launch.c: (setup_pipeline):
Improve debugging.