Added index file locking during indexing and handling during searching.
Embedded DTD into the program and removed it from tree. Added usage() to bad argument handlers.
Updated version to 1.1alpha2.
Changed Copyright notices to state 2002-2003.
Implemented more HttpHandler stuff. Added news: protocol to those ignored by getLink().
Added agent function, modified robots.txt handler to use it. Modified HttpHandler.connect() to have a head argument with a default of false.
Initial revision
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