Add FlatFile storage support
Add FlatFileDriver
Lock meta file before reading and writing
Merge pull request #91 from henrikbjorn/master

add __toString to queue interface
Merge pull request #87 from Baachi/flat-file-storage

Flat file storage
require the console component
Merge branch 'master' into phpspec
add base directory to output
Add tests for serializer and deserialize (functional) inpired by the IntegrationTestCase found in twig