Version 13.11.0

• Add support for reading the WBS and Activity Methodology GUID attribute from XER files and P6 databases, and for writing this to XER files.
• Improve accuracy of resource assignment start and finsh dates when reading XER files and P6 databases.
• Fixed an issue reading resource code value hierarchy from XER files.
• Improve retrieval of Gantt Bar Styles from certain MPP files.
• Added the GanttBarStyleException methods getGanttBarStyleID() and setGanttBarStyleID().
• Added the GanttChartView method getGanttBarStyleByID().
• Marked the GanttBarStyleException#getBarStyleIndex() method as deprecated. Use the GanttBarStyleException#getGanttBarStyleID() method to retrieve the Gantt Bar Style ID, then use the view's getGanttBarStyleByID() method to retrieve a list of matching styles.
• Added the Duration#negate() method to simplify negating a duration.
• Improve provision of default values for Project Planned Start date and Activity Planned Duration when writing XER files.