Feature 4901 / PDF Split: Preparation - new STORE_VAR variable {{filenameBase:V}}, {{filenameExt:V}}

Bug #4904 / Undefined Index: DIRTY_FE_USER - PHP problem that constants cant be replaced inside of single ticks. Fixed.

Created a saveInProgress Variable

See merge request !26

DatabaseUpdateData.php: removed the DB update from last commit - not necessary.
Config.php: New default 'm'
Evaluate.php: Respect EscapeTypeDefault in form definition.
QuickFormQuery.php: Replace 'EscapeTypeDefault' in form defintion very early.

Unknown index fixed by isset()

# Conflicts:
#	extension/qfq/qfq/database/Database.php
#	extension/qfq/tests/phpunit/AbstractDatabaseTest.php

Bug #4731 / Dynamic Update: load(post) triggers 'check required' - makes no sense during filling a form - fixed

Bug #4730 / InvalidDate-00-00-2000 FE.type=date - detection of empty date was broken for '00.00.0000'.

Implemented setting 'db_?_xxx' in config.qfq.ini and QuickFormQuery.php and other files. Open: saving in  DB_INDEX_QFQ.