1.2.0

Added Chinese, Japanese, Khmer

1.1.5

Added shorthand methods for Language construction Language.from(*)

1.1.4

• Added static constructors for ISO639Alpha2, ISO639Alpha1
• Added extensions to transform locale, string and alpha codes to a language

1.1.2

• Added WritingSystem
• Renamed Alphabet to LanguageSymbols
• Character filtering with case support

1.1.1

Preferred language codes and random alphabet with excludes

1.1.0

Update ISO639.podspec

1.0.2

changed visibility
added unkonw languages