Use Ruby 2.0 builtin bsearch() in Language
Rename send() to irc_send() in IRCBot
Introduce LayoutableText helper classes
Add support for LayoutableText in IRCBot
Migrate TextMiner to LayoutableText
Fix style a bit in Help
Migrate Help to LayoutableText
Fix style a bit in MapDoc
Migrate MapDoc to LayoutableText
Fix style a bit in URL