0.0.18

What's Changed

• Add tutorial for ubiquitous language by @douglasdcm in #163
• Change then method to assertion method by @douglasdcm in #165
• Bump version by @douglasdcm in #166
• Add example of ubiquitous language by @douglasdcm in #164

Full Changelog: 0.0.17...0.0.18