allow numbers to be passed via std.in (numbers are valid json, but crashed when we tried to access them in a hash way. This is now prevented.)
allow numbers to be passed via std.in (numbers are valid json, but crashed when we tried to access them in a hash way. This is now prevented.)

openHPI/codeocean,openHPI/codeocean,openHPI/codeocean,openHPI/codeocean,openHPI/codeocean,openHPI/codeocean