New Version v0.17.5.

For updates of QFQ prior to 0.17.0, do:   ALTER TABLE  `Form` COMMENT =  'Version=<your old QFQ version>'
DatabaseUpdate.php, DatabaseUpdateData.php: new class.
QuickFormQuery.php: Add DB UpdateCheck
Database.php: moved to new subdirectory `database`. Add 'ALTER' as a new SQL command.
FormAction.php, TypeAhead.php, Report.php, Sendmail.php, FillStoreForm.php, Store.php, AbstractBuild.php, Delete.php, Evaluate.php: Update path to Database.php.

Unit Test angepasst und erweitert.
ext_emconf.php: minor version tag incremented

Exception: rewrote getting T3 parameter without using Store(). Always report pages.uid, tt_content.uid.
 T3Info.php: new class
 Sip.php: penalty time for broken sip.
 Store.php: moved T3 code to T3Info.php