Ordered children reordering

Added

• Move elements in ordered children relationships

Production ready

Added

• where(:) filter with a single boolean

Changed

• Predicate renamed to FetchPredicate

Minor fix

Fixed

• nil values assigned to FieldInterface were ignored [#32]

Changed

• DataModel.remove(_:to:) functions changed to DataModel.remove(_:from:)

Merge pull request #30 from amaris/release/0.3.0

Added

• Fallback value before preconditionFailure when converting stored value
• Store conversion error publisher
• Map current functions on DatabaseModel collections

Changed

• DatabaseFieldValue now Equatable
• PredicateRightValue public init
• DatabaseModel extensions functions moved in the protocol declaration to make them customisation points.

Minor fixes

Fixed

• DatabaseModel.remove useless throws deleted [#18]

Hotfix validation init

Fixed

• Validation.init now public

0.2.0

Added

• Codable to store a custom type
• CodableConvertible to store a type with an intermediate Codable object. Default implementation for NSObjects
• Multiple sorts when subscribing to an entity relationship [#2]

Changed

• Fetching now uses a RequestBuilder to specify a request
• ComparisonPredicate and OperatorPredicate have been merged into a single Predicate structure.
• The store conversion with an entity attribute will now exit the program if it fails rather than throwing an error
• FetchableEntity has been deleted to keep only DatabaseEntity
• Compound predicate 'and' and 'or' now use the NSCompoundPredicate class rather than raw values. [#4]