0.1.5

What's Changed

• Minor enhancements to Capability Definition by @bageshwar in #7
• Fixes #8 Handle nullable adapters by @bageshwar in #9
• Support for Optional Data Dependency by @bageshwar in #10
• Doc Update by @bageshwar in #11
• Simple Flow toString by @bageshwar in #14

Full Changelog: 0.1.2...0.1.5