Store, Constants, Save, StoreTest: undo renaming STORE_0 back to STORE_ZERO. const with a number at the end seems not to be accepted in the phpunittests.

Form: changed detection of load/saved from POST SIP Parameter to POST/GET Method. Introduced Save. Now, loadFormSpecification() differentiate between load and save.
Save: new.
formEditor: fixed some minor bugs in form specification.

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.

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

Store.php: Removed caching functionality - the speed advantage is too few against code complexity. Introduced sanatizeStore - Only STORE_CLIENT and STORE_FORM are still sanatized. All others will be trusted. This reduces overhead by accessing variables.
New function 'fillStoreTableDefinition'. Rewrote and simplify class getVar(). New function getStore() - at the moment used for debugging.

Store.php: Impelemented Store 'Parent Record'. Extended Store 'Client' with Server SVars. Reorded fucntions. Added createSipAfterFormLoad()

- renamed querySemple() to sql().
- renamed execute() to prepareEXecute()
- ParamArray or prepared Statement will be display on exceptions.
- Testcases extended to ParamArray for sql()

 *.sql: extend definition to test Set and Enum.