use iso639-3 language codes exclusively.
improved scraper
buffer output (t/l) in a RDF::Graph
split large scraper method.
language type consistency.
factor out cast.
tags, cast fix.
fix cardinality, foaf:organization, language code 3- to 2-letter conversion.
almost there..
ignore problematic events & trailers (for now)
looks good.
fix referential integrity event->venue.
clean
clean, comments++
fix ruby-uuid gem dep.