Looks like this is going to be spawned into a separate gem and renamed to sequel-query-cache. Starting cleaning up and renaming almost everything in preparation for that.
Merge branch 'master' into gem-rename-refactor

Conflicts:
	lib/sequel-cacheable/message_pack_serializer.rb
	lib/sequel-cacheable/serializer/message_pack.rb
	lib/sequel-query-cache/driver.rb
	lib/sequel-query-cache/message_pack_serializer.rb
	sequel-cacheable.gemspec
Updated constant names in serializers and finished up merge.