Fixed unit test to match Guzzle configuration parser change
Fixed EmbeddedCommand to extend AbstractCommand, fixed tests accordingly
Fixed some interface usages to be more flexible
Updated Guzzle to 3.7.4 (sorry, 3.8.0 is not stable enough about additional properties in JsonVisitor)
Fixed unit test to match Guzzle configuration parser change
Fixed EmbeddedCommand to extend AbstractCommand, fixed tests accordingly
Fixed some interface usages to be more flexible
Updated Guzzle to 3.7.4 (sorry, 3.8.0 is not stable enough about additional properties in JsonVisitor)
Merge branch 'update-guzzle' of github.com:David-Guillot/desk-php into update-guzzle
Merge pull request #2 from David-Guillot/update-guzzle

Update guzzle to 3.7.*