After creating a new record and still open form: a new sip is created and transfered to client. Attention: 'new + save + modify + save again' still create two records (error).
AbstractBuildForm.php: buildNewSip() renamed to buildHiddenSip(). Call of buildHiddenSip() moved from tail() to process(). buildHiddenSip() returns JSON code too.
BuildFormBootstrap.php, BuildFromPlain.php, BuildFormTable.php : removed call buildNewSip()
QuickFormQuery.php: After save, reload current record and create new sip
Save.php: process() returns id of affected record.