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 WARNING -- WARNING -- WARNING -- WARNING -- WARNING

 The filenames used by the 'req' package implementation
 have changed.  If you are about to unzip this new release
 over a copy of a prior libSBML 'req' package release, the
 following old files will not be removed, even though they
 are no longer part of the new implementation:

 In the directory /libsbml/src/sbml/packages/req/common
 
   RequiredElementsExtensionTypes.h
   requiredElementsfwd.h
   
 In the directory /libsbml/src/sbml/packages/req/extension
   
   RequiredElementsExtension.cpp
   RequiredElementsExtension.h
   RequiredElementsSBasePlugin.cpp
   RequiredElementsSBasePlugin.h

 Please delete these files manually to avoid confusion.
 For more information, contact libsbml-team@caltech.edu.

 WARNING -- WARNING -- WARNING -- WARNING -- WARNING
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