Switch over to using std::rand::distributions::Range instead of gen_integer_range, which was removed from libstd.
Switch over to using std::rand::distributions::Range instead of gen_integer_range, which was removed from libstd.

DaGenix/rust-crypto,exe-dealer/rust-md5,canndrew/rust-crypto,mseri/rust-crypto,PeterReid/rust-crypto,tempbottle/rust-crypto,andreasots/rust-crypto,thinkingfish/rust-crypto,canndrew/rust-crypto,nmathewson/rust-crypto,vladikoff/rust-crypto,tempbottle/rust-crypto,thinkingfish/rust-crypto,DaGenix/rust-crypto-working,nmathewson/rust-crypto,DaGenix/rust-crypto,PeterReid/rust-crypto,mseri/rust-crypto,andreasots/rust-crypto