SYNOPSIS
use JE::Object::Error::RangeError;
# Somewhere in code called by an eval{}
die new JE::Object::Error::RangeError $global, "(Error message here)";
# Later:
$@->prop('message'); # error message
$@->prop('name'); # 'RangeError'
"$@"; # 'RangeError: ' plus the error message

