add persister_id configuration
add persister_id configuration documentation
update composer.json
Return immediately if there is no path to search in.
Merge pull request #16 from marcw/fix-fixture-loader

Fix a crash with sf2.3 when $path is empty
Make sure the array FixtureLoader receive is made of unique values
Merge pull request #17 from marcw/fix-dup-bundle

Make sure the array FixtureLoader receive is made of unique values
Merge pull request #18 from DavidBadura/1.0

1.0