Store: Removed CLIENT_POST_ID and CLIENT_GET_ID. Various functions: check if supplied store is known. Check that STORE_ZERO never saves a value. New mode for setVar(): overWrite.
Constants: New qfq.log. SQL_FORM_ELEMENT splitted to SQL_FORM_ELEMENT_SPECIFIC_CONTAINER|ALL_CONTAINER. New ROW_INSERT, ROW_UPDATE. Renamed STORE_ZERO to STORE_0.

DbException: minor renaming.
HelpFormElement: New buildFormElementId.
Support: New log().

Database: renamed rowCount() to getRowCount(). Additonal error message for sql(), New: dbLog(). prepareExecute will log all fired queries.

BuildFormPlain: moved 'head()' to AbstractBuildForm.
BuilFormTable: adjusted to use generic getFormTag().

HelperFormElement, KeyValueStringParser, AbstractBuildFormd, Constants, Database: All Exceptions supplied with an error code

AbstractBuildForm:  Select Statements might contain empty lists. First version of editlink(). Subrecords with links to detailform.

Form: Error Message if multiple forms have the same name.

Store: in function fillSip added parameter 's' and 'SIP_URL_PARAM'.  getStore() now handles non existing stores well.

Sip.php: renamed urlParamToSip to queryStringToSip, getSipFromUrlParam to getSipFromQueryString. Added getQueryStringFromSip

AbstractBuildForm: subrecord extended with Prameter 'form' and 'detail'. Renderung subrecord columns rewritten and two new columntypes added: 'url', 'mailto'