+2019-06-25 lttng-tools 1.5.7 (Global Beatles Day)
+ * Cleanup: bitfields: streamline use of underscores
+ * Fix: bitfield: shift undefined/implementation defined behaviors
+ * Fix: array and sequence field's 'elems' members can be left NULL
+ * Fix: invalid alignment of enumeration fields
+
2018-07-03 babeltrace 1.5.6 (National Fried Clam Day)
* Fix: remove left-over debug logging statement
* Use trace->trace_id in check to remove trace from bt_ctx