intridea/hashie — pull request #120 by pwillett (2013-11-25 08:24:46+00:00)
Title: Pass to_hash options to its recursive calls

The symbolize_keys option was reinstated in Hashie::Hash#to_hash, but the option is not applied deeply in its recursive calls. In my use case, calling to_hash with this option on nested Dash(es) produces mixed key types.