Hotfix

• Fix Object.prototype is modified #10

Conformance to the JSON-Schema-Test-Suite

• Fix type-specific keywords require a type definition in the schema (#8)
• Fix failure to conform to the JSON-Schema-Test-Suite (#9)

Default Values & Better Error Reporting

• Add support for default values (#2)
• Add detailed error reporting (#3)
• Fix array validation does not comply with JSON Schema spec when items schema is specified (#7)

Full JSON Schema Conformance

• Add dependency support for object validation (#1)
• Fix required property validation accepts undefined values (#5)
• Fix array items are not validated against additionalItems (#6)