Modified Files:
 	Utility.py -- Added a parameter to Collection class constructor,
		'name' is the default attribute used for keys but one
                 can specify whatever key they want.

        XMLSchema.py -- Used the above parameter to make Collection
		instances use the appropriate 'attribute' as key.

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Modified Files:
 	XMLSchema.py -- still a couple mistakes in constructors, changed
		XSDNS to SCHEMA.XSD_LIST which was a mistake.

Modified Files:
 	XMLSchema.py -- missing parent parameter to a few constructors
		that expect to see it.  fixed.

Modified Files:
 	XMLSchema.py -- added LBNL copyright header.
 Added Files:
 	license.txt -- LBNL copyright.

Modified Files:
 	XMLSchema.py -- fixed a couple bad variable references.

WSDLTools.py -- just a few minor changes so the new schema class
		will be used instead of the schema tns placeholder.

		Might want to add an argument to WSDL.load method so that
                programmer can specify the placeholder or actual
		implementation.

        XMLSchema.py -- mostly new, unused original code is commented out at the bottom.

XMLSchema.py

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   fixed an obvious bug, added a SchemaError class so it can actually
be thrown.


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