spelunking, pt 2

And the winners are:

• ActionController's scaffolding.rb with a 100 node dstr!
• ActiveRecord's mysql.rb with a 274 node block!
• Date's format.rb with a 51 node hash!
• Net's telnet.rb with a 35 node dregx_once!
• Net::SFTP's attributes.rb with a 15 node args!
• ParseTree's pt_testcase.rb with a 567 node hash!
• TMail's racc generated parser with a 407 node array (4 times)!
• open-uri.rb with a 16 node dregx!