Given a table object, it returns the related string object; e.g. SubAttribute => 'sub-attribute'. Useful if you want to make a list of all your tables with perhaps their fields listed out to the side. 

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def stringify_table( table, replace_char = '-', pluralize = false )
  string = table.to_s.gsub( /([A-Za-z])([A-Z])/, '\1' << replace_char.to_s << '\2' )
  string = string.pluralize if pluralize
  string
end

Given a string akin to the name of a table, it returns the related table object; e.g. 'sub_attributes' => SubAttribute.

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def tablify_string( string )
  eval( string.to_s.gsub( /_id/, '' ).singularize.split( '_' ).collect { |word| word.capitalize }.join )
end