HasCallname
===========

Ultra Simple!
Generates a callname slug out of a given string attribute. 
Adds finder which raise RecordNotFound or returns one Instance. 
Takes care of unique callnames by adding numbers as needed.


Example
=======

has_callname # expects :name => :name, :callname => :callname
has_callname :name => :product_name, :callname => :product_url_slug
has_callname :slug # same as :name => :slug, :callname => :slug
has_callname :gsubs => {'foo' => 'bar'}, :filters => 'sex'
has_callname :prefix => 'cool-', :suffix => '-of-the-year'



Copyright (c) 2009 Michael Strüder, released under the MIT license