Add nullOnly flag for annotations
Change nullOnly to override, Fix behaviour in specs
Update readme
Update readme
Merge pull request #12 from robcaw/feature/NullOnly

Override feature
Update readme with latest version
Merge pull request #13 from robcaw/feature/NullOnly

Update readme with latest version
Update composer.json

Add licensing
Fixes circular reference bug in custom generators
prepare for deprecation of setLength in generator interface
Merge branch 'master' of git://github.com/vivait/StringGeneratorBundle