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.

Store*.php: Storage Classes unified to one class. Storage is now one array for all stores in class 'Store'