Merge PR #112

Author: bluss

Cargo.toml

@@ -37,8 +37,8 @@ rayon = { version = "1.0", optional = true }
 
 [dev-dependencies]
 itertools = "0.8"
-rand = "0.6"
-quickcheck = { version = "0.8", default-features = false }
+rand = "0.7"
+quickcheck = { version = "0.9", default-features = false }
 fnv = "1.0"
 lazy_static = "1.3"
 serde_test = "1.0.99"