Merge pull request tristanhimmelman#1059 from r-plus/fix/optional_raw…

…representable_enum_for_immutablemappable

Fix: Could not map to optional RawRepresentable enum for ImmutableMappable

podspec update

Merge pull request tristanhimmelman#1035 from Proximty-Grid/fix_array…

…_codable_transform

Fixed CodableTransform for the case where the item is an array

- updated macOS targets

- HexColorTransform fix for macOS

Merge pull request tristanhimmelman#980 from gcharita/master

Added support for Swift 4.2 and Xcode 10

podspec version increase

Updated podspec version

Bug fix

Updated podspec version