Ruby UCSC API: accessing the UCSC Genome Database using Ruby

Adds support for creating enum state machines for attributes on any Ruby class

#Crowdsourcing management system for #RubyOnRails: http://bit.ly/voluntary-0-7-1

#Ruby on #Rails CMS with #Crowdsourcing support changes: http://bit.ly/home-page-0-0-6

Add simple versioning to ActiveRecord models (TISS version). Each model has a to-many model named mymodel_h which records all changes (including destroys but not deletes) made to the model. This is the version used by http://tiss.tuwien.ac.at and substantially differs from the original version....