paypal-support:
svn url: http://svn.pumptheory.com/repos/trunk/openacs/packages/paypal-support/
trac browse: http://svn.pumptheory.com/trac/main/browser/trunk/openacs/packages/paypal-support
pump-invoicing: (example package using paypal-support)
svn url: http://svn.pumptheory.com/repos/trunk/openacs/packages/pump-invoicing/
trac browse: http://svn.pumptheory.com/trac/main/browser/trunk/openacs/packages/pump-invoicing