* add Hooks _afterTokenTransfer * avoid duplicate call to _asSingleton * add changelog entry * update changelog link to PR * Update CHANGELOG.md Co-authored-by: Francisco Giordano <frangio.1@gmail.com> Co-authored-by: CryptoV8 <91189073+CryptoV8@users.noreply.github.com> Co-authored-by: Francisco Giordano <frangio.1@gmail.com>