A general purpose client to work with any 'OAI-PMH' (Open Archives
Initiative Protocol for 'Metadata' Harvesting) service. The 'OAI-PMH'
protocol is described at
<http://www.openarchives.org/OAI/openarchivesprotocol.html>. Functions
are provided to work with the 'OAI-PMH' verbs: 'GetRecord',
'Identify', 'ListIdentifiers', 'ListMetadataFormats', 'ListRecords',
and 'ListSets'.
