2014-06-30 18:33 UTC+0200 Viktor Szakats (vszakats users.noreply.github.com)
  * *
    * reverted 7e860d84cc2e43625ed48210f287761bf4a6ded2
      (2014-06-27 19:41 UTC+0200)
      It was an unsafe change because HB_IS_*() macro doesn't
      check if the item is NULL. To be reapplied non-NULLness
      is guaranteed.
      See #21
2014-06-30 18:36 UTC+0200 Viktor Szakats (vszakats users.noreply.github.com)
  * *
    * reverted 69af56b106b096204e1ec5af92762f3d96156df8
      (2014-06-27 21:53 UTC+0200)
      It was an unsafe change because HB_IS_*() macro doesn't
      check if the item is NULL. To be reapplied non-NULLness
      is guaranteed.
      Fixes #21