ir.webutils
Classes 
AnchoredLink
AnchoredLinkExtractor
BeamSearchSiteSpider
BeamSearchSpider
DirectorySpider
Graph
HTMLPage
HTMLPageRetriever
HTMLParserMaker
Link
LinkExtractor
LinkHeuristic
Node
PageGoal
ProximityBeamSearchSpider
ProximityLinkHeuristic
RobotExclusionSet
RobotsMetaTagParser
SafeHTMLPage
SafeHTMLPageRetriever
ScoredAnchoredLink
ScoredAnchoredLinkExtractor
SiteSpider
Spider
StringSearchResult
URLChecker
WebPage
WebPageViewer
Exceptions 
PathDisallowedException