Java eXPerience FrameWork SvnCode

Removed some imports.

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Editor put everything back on one line.
Just a cosmetic change.

Changed comments to reflect that a real ValueObject should be used
according to the latest standards.

Swicthed to using a List instead of a Vector.

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Errors and Exceptions are now cleared prior to calling the different set...() methods.
To achieve this several methods were changed.
The isValid(...) methods are now obsolete ans have been removed.
A new findBean(...) method has been added.

Now clears the exceptions and messages before all set...() methods are called.

executeQuery(...) methods now return a List (was Collection).
Since a List is a Collection this shouldn't give much trouble.
The advantage is that Lists can be sorted directly using the Collections class.