Optimize String.get for ceylon/ceylon-js#329
Optimize String.get for ceylon/ceylon-js#329

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