Bind dependencies to later versions

Cargo.toml

@@ -10,10 +10,10 @@ license = "GPL-3.0"
 publish = false
 
 [dependencies]
-libc = "*"
-threadpool = "*"
-bytes = "*"
+libc = "0.2"
+threadpool = "1.8"
+bytes = "1.0"
 
 [dependencies.clap]
-version = "*"
+version = "2.33.3"
 default-features = false
\ No newline at end of file