Release v0.2.3 - Add dependency version flexibility

• Give to Laramore/base a dependency version flexibility

Release v0.2.2 - Remove MergesConfig

• Remove MergesConfig trait because it has no sense to shake configs

Release v0.2.1 - Fix security issue

• Fix "symfony/dependency-injection" package security issue

Release v0.2.0 - Add tests

• Add global tests
• Make travis work
• Adapt classes to improve consistency
• Add IsAnOwner interface

Release v0.1.0 - Create base classes

• Element management
• Laramore exceptions
• Lock management
• Ownership management
• Observer management
• Property management