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Changelog for package rcl_lifecycle
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0.5.0 (2018-06-25)
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* Updated code to use private substitution (``~``) in lifecycle topics and services (`#260 <https://github.com/ros2/rcl/issues/260>`_)
  * use ~/<topic> rather than manually constructing topics/services
  * use check argument for null macros
* Fixed potential segmentation fault due to nullptr dereference (`#202 <https://github.com/ros2/rcl/issues/202>`_)
  * Signed-off-by: Ethan Gao <ethan.gao@linux.intel.com>
* Contributors: Dirk Thomas, Ethan Gao, Michael Carroll, William Woodall