Adding file locking
Merge branch 'master' into file-locking

Conflicts:
	src/JamesMoss/Flywheel/Repository.php
Marking locking test as incomplete
Merge branch 'file-locking'
Adding scrutinizer score to readme
Fixing a few minor issues flagged up by scrutinizer
Renaming Format interface to comply with PSR
Merge branch 'refs/heads/master' into feature/patch-8

Conflicts:
	test/JamesMoss/Flywheel/RepositoryTest.php