v0.8.0

Added

• A retry decorator to enable reattempts of failed requests. (#132)
• A ratelimit decorator to constrain consumers to making some maximum number
  of calls within a given time period. (#132)
• Timeout argument annotation to be able to pass the timeout as a consumer
  method argument or to inject it as a transaction hook using a Consumer
  instance's _inject method. (#133 by @daa)

Changed

• Consumer subclasses now inherit class decorators from their
  Consumer parents, so those decorators are also applied to the subclasses'
  methods that are decorated with @get, @post, @patch, etc.
  (#138 by @daa)

Fixed

• Memory leaks in RequestsClient and AiohttpClient caused by
  use of atexit.register, which was holding references to session objects
  and preventing the garbage collector from freeing memory reserved for those
  objects. (#134 by @SakornW)