> r = Relish.new("aws-access-key", "aws-secret-key", "table-name")

> rel = r.copy("abc", "123", slug_id: "slug-123", slug_version: "1")
file=relish fn=copy id=abc version=123
=> #<Relish::Release: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"123"}, "slug_id"=>{"S"=>"slug-123"}, "slug_version"=>{"N"=>"1"}}>
> rel.id
=> "abc"
> rel.version
=> "123"
> rel.slug_id
=> "slug-123"
> rel.slug_version
=> "1"
>

> rel = r.create("abc", slug_id: "slug-456", slug_version: "2")
file=relish fn=create id=abc
=> #<Relish::Release: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"124"}, "slug_version"=>{"N"=>"2"}, "slug_id"=>{"S"=>"slug-456"}}>
> rel.id
=> "abc"
> rel.version
=> "124"
> rel.slug_id
=> "slug-456"
> rel.slug_version
=> "2"
>

> rel = r.current("abc")
file=relish fn=current id=abc
=> #<Relish::Release: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"124"}, "slug_version"=>{"N"=>"2"}, "slug_id"=>{"S"=>"slug-456"}}>
> rel.id
=> "abc"
> rel.version
=> "124"
> rel.slug_id
=> "slug-456"
> rel.slug_version
=> "2"
>

> rel = r.read("abc", "123")
file=relish fn=read id=abc version=123
=> #<Relish::Release: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"123"}, "slug_version"=>{"N"=>"1"}, "slug_id"=>{"S"=>"slug-123"}}>
> rel.id
=> "abc"
> rel.version
=> "123"
> rel.slug_id
=> "slug-123"
> rel.slug_version
=> "1"
>

> rel = r.update("abc", "123", slug_id: "slug-789")
file=relish fn=update id=abc version=123
=> #<Relish::Release: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"123"}, "slug_version"=>{"N"=>"1"}, "slug_id"=>{"S"=>"slug-789"}}>
> rel.id
=> "abc"
> rel.version
=> "123"
> rel.slug_id
=> "slug-789"
> rel.slug_version
=> "1"
>

> rels = r.dump("abc", 2)
=> [#<Relish: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"124"}, "slug_version"=>{"N"=>"2"}, "slug_id"=>{"S"=>"slug-456"}}>, #<Relish: @item={"id"=>{"S"=>"abc"}, "version"=>{"N"=>"123"}, "slug_version"=>{"N"=>"1"}, "slug_id"=>{"S"=>"slug-789"}}>]
> rels[0].id
=> "abc"
> rels[0].version
=> "124"
> rels[0].slug_id
=> "slug-456"
> rels[0].slug_version
=> "2"
> rels[1].id
=> "abc"
> rels[1].version
=> "123"
> rels[1].slug_id
=> "slug-789"
> rels[1].slug_version
=> "1"
>