Upgrade rand 0.5.2 -> 0.6.4
@ -22,7 +22,7 @@ bytes = "0.4.8"
httparse = "1.3.1"
input_buffer = "0.2.0"
log = "0.4.2"
rand = "0.5.2"
rand = "0.6.4"
sha-1 = "0.8"
url = "1.7.0"
utf-8 = "0.7.2"