Add errorHandler option to DataObject.prototype.save()
Add errorHandler option to DataObject.prototype.save()

This allows calling code to do something other than call Zotero.debug()
on errors (like, say, nothing, in order to avoid logging certain
expected errors) before throwing.

rmzelle/zotero,retorquere/zotero,hoehnp/zotero,retorquere/zotero,rmzelle/zotero,gracile-fr/zotero,hoehnp/zotero,gracile-fr/zotero,hoehnp/zotero,rmzelle/zotero,gracile-fr/zotero,retorquere/zotero