The preferred reference concept was only working for some functions and never set by default. This PR removes methods to set/clear preferred references and implements the simpler rule that the value for the newest reference (by year) is returned if there is more than one references.
An issue was created to add capability to return values of all references (#23).
The preferred reference concept was only working for some functions and never set by default. This PR removes methods to set/clear preferred references and implements the simpler rule that the value for the newest reference (by year) is returned if there is more than one references.
An issue was created to add capability to return values of all references (#23).