Fixes to Range to make it javac-1.7 compatible
Fixes to Range to make it javac-1.7 compatible

For some reason Eclipse accepts it but not javac :(

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