allow for ID to be set via attributes

external data sources sometimes carry their own IDs. this let's us keep
that ID and simply ensure it's unique within redis
update RVM conventions to use .ruby-version
print out the correct id
add gemset spec
Merge pull request #14 from plukevdh/update_config

update RVM conventions to use .ruby-version
Merge pull request #13 from plukevdh/preserve_external_ids

allow for ID to be set via attributes
Added require 'bundler/setup' to test_helper.rb.
Updated version to v0.6.5.