RUBY-220 - Plumbing to support custom types: serializing and deserializing custom domain objects defined by the client.

* Update Tuple.inspect to be consistent with how other object .inspect's are formatted.

Author: stamhankar999

lib/cassandra/tuple.rb

@@ -55,7 +55,7 @@ def size
       end
 
       def inspect
-        "#<Cassandra::Tuple:0x#{object_id.to_s(16)} #{self}>"
+        "#<Cassandra::Tuple:0x#{object_id.to_s(16)} types=#{@types.inspect}, []=#{@values.inspect}>"
       end
     end
 
@@ -114,7 +114,7 @@ def to_s
 
     # @private
     def inspect
-      "#<Cassandra::Tuple:0x#{object_id.to_s(16)} #{self}>"
+      "#<Cassandra::Tuple:0x#{object_id.to_s(16)} []=#{@values.inspect}>"
     end
 
     # @private