Get the index of EBX5 code-lists
GetEBXCodeLists.RdThis function returns the index of code lists
defined in the folder 'Metadata', table name 'EBXCodelist'.
Requires that the EBX5 connection was configured using SetupEBXConnection.
Value
Returns an object of the class data.table
Author
Thomas Berger, thomas.berger@fao.org