ISSUE-22 handle unique fields
ISSUE-22 handle unique fields, changed the scope of unique fields to a class
Update deps
Add support for Symfony 2.3+
Update branch-alias
Merge remote-tracking branch 'nikita2206/master'
Adjust unique syntax from ! to (unique) in the key
Add infos about unique constraints to the README
Remove outdated BC break warning
Add handling for arrays in unique values, refs #23
allow the creation of new Loader for each differing combination of options; a new test that checks this functionality
generateLoaderKey now handles providers that are objects, not strings; an additional test
Merge pull request #27 from croshchupkin/fixtures-getloader-differing-options-support

Allow the creation of new Loader instance for each differing combination of options in Fixtures::getLoader()