Fix unique ID bug in tag mapping
Fix unique ID bug in tag mapping

Uniquely identify each child by assigning it a key.

GolosChain/tolstoy,TimCliff/steemit.com,steemit-intl/steemit.com,TimCliff/steemit.com,GolosChain/tolstoy,GolosChain/tolstoy,TimCliff/steemit.com,steemit/steemit.com,steemit/steemit.com,enisey14/platform,enisey14/platform,steemit-intl/steemit.com,steemit/steemit.com