v0.1.0

Added method 'add'

v0.0.3

Merge pull request #7 from quillstack/hotfix/package-name

Removed params from docblocks

v0.0.2

• Consolidated RUN instructions in Dockerfile.
• Removed tests from .travis.yml.
• Enabled code rating in Scrutinizer.
• Updated README.md.
• Fixed .scrutinizer.yml.
• Added config file: sonar-project.properties.

v0.0.1

• Created a common interface for storage classes.