Release 0.3.0

• Add ability to check EXPOSE instructions

Full Changelog: v0.2.0...v0.3.0

Release 0.2.0

• Add ability to check FROM image
• Add ability to check the contents of comments
• Fix parsing failure on valid ENV instructions

Full Changelog: v0.1.0...v0.2.0

Release 0.1.0

Full Changelog: https://github.com/Bond-009/dodona-containerfile-evaluator/commits/v0.1.0