Support Swift3

[ra1028]

Add

• Add function InsecureDistillate.value(): () throws -> Value
• Add function SecureDistillate.value(): () -> Value
• Add function Array<Distillable>.distil(j:)
• Add function Dictionary<Key: StringConvertible, Value: Distillable>.distil(j:)
• Add protocol InitDistillable

Breaking

Obsolete

• Serialize objects to JSON Data or String
• DistillateType

Rename

• success(_ handler:) to value(_ handler)
• failure(_ handler:) to error(_ handler)
• recover() to catch()
• DistillSubscripted to LazyJSON
• JSONPath to Path
• OptionalType to OptionalConvertible
• JSONPathElement to PathElement

Change

• Change the type constraint of distil value functions from distil(Path)(Type) to distil(Path, to: Type)
• Distillate.filter() is now computed property .filter"
• JSON became Class object from Struct
• Enums are now lowercase
• Some argument labeling rules