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add support for format related configuration options to the RestYamlCollectionLoader and RestXmlCollectionLoader
Fixed XML support
Removed required attribute
Merge pull request #645 from WouterJ/patch-1

Fixed XML support
Merge pull request #643 from willdurand/minimum-stability-stable

Switch to stable packages (composer)
Merge pull request #641 from xabbuh/issue-626

add support for format related configuration options to the RestYamlColl...
Use JsonpCallbackValidator lib

Fix #591
Merge pull request #642 from willdurand/jsonp-validator

Use JsonpCallbackValidator lib