Added ‘directory’ arguments to functions creating files so users can choose in which directory they are created.
Added option to choose which literature platform to access when
creating the search string using create_save_search()
function.
Information messages can now be suppressed, if needed, using the
function suppressMessages().
Deduplication of references using ASySD made optional.
Added an option to choose or not the automatic opening of the references after each retrieval.