Array: added support for Character arrays backed by int[]
Array: added support for Character arrays backed by int[]

jvasileff/ceylon.language,ceylon/ceylon.language,jvasileff/ceylon.language,lucaswerkmeister/ceylon.language,lucaswerkmeister/ceylon.language,ceylon/ceylon.language,unratito/ceylon.language,unratito/ceylon.language