0.2.0

What's Changed

• refactor: numbers as an union by @javiergarea in #93
• refactor: schemas as maps with atom keys by @javiergarea in #94
• fix(#95): non required properties are still required by @javiergarea in #96
• fix(#97): handle optionality as false by default by @javiergarea in #98
• refactor: enhance ndto_parser interface and JSONSchema draft 04 parser by @javiergarea in #100
• build: 0.2.0 by @javiergarea in #101

Full Changelog: 0.1.0...0.2.0