### 0.10.0

  * adds support for `meta` and `meta_key` [@kurko]
  * adds method to override association [adcb99e, @kurko]
  * adds `has_one` attribute for backwards compatibility [@ggordon]
  * updates JSON API support to RC3 [@mateomurphy]
  * adds fragment cache support [@joaomdmoura]
  * adds cache support to attributes and associations [@joaomdmoura]