^^^^^^^^^^^^^^
* Fixed: :issue:`534`: Session parsing for Forex contracts.
* Fixed: :issue:`536`: Handle empty session field.
* Fixed: :issue:`541`: Remove superfluous closing bracket.
* Fixed: :issue:`542`: Use float size for ``pnlSingle``.
* Fixed: :issue:`544`: Cancel head-time request after completion.
* Fixed: :issue:`545`: Return ``Trade`` instead of ``Order`` for
``reqOpenOrders`` and ``reqAllOpenOrders``.
* :pull:`553`: Volume bar added.
* :pull:`565`: Typo fix.