Remove PENDING state

Re: #227
Merge branch 'release/3.0.2' into develop

* release/3.0.2:
  Removing the changelog. Changelogs are hard.
  Bump to 3.0.2.
Woops. It uses the cache if DEBUG is False.
Merge branch 'fix-pending-state' into develop

* fix-pending-state:
  Remove PENDING state
Bump to 3.0.3.
Merge branch 'release/3.0.3'

* release/3.0.3:
  Bump to 3.0.3.
  Woops. It uses the cache if DEBUG is False.
  Remove PENDING state