def mget(meta_docs)
      merge_data = {:_index => name}
      @server.mget(meta_docs.map {|d| d.merge(merge_data) })
    end
def mget(meta_docs)
      merge_data = {:_index => name}
      @server.mget(meta_docs.map {|d| d.merge(merge_data) })
    end
Takes a collection of hashes of the form {:_type => 'foo', :_id => 123}
 And issues an mget for them within the current index