Merge pull request #41 from adamhaney/master

Added queryset_out to responses
HEAD requests would error out without args being passed
Bump version to 1.2.3
Merge branch 'master' of github.com:akimboio/sleepy into develop
Merge pull request #43 from micahhausler/develop

HEAD requests would error out without args being passed
Bump version to 1.2.4
* Added a type check so we're better alerted to functions that aren't returning response objects