Fix jitter causing panics on wasm32-unknown-unknown

Author: Zireael-N

Cargo.toml

@@ -22,6 +22,8 @@ maintenance = { status = "actively-developed" }
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
 default = ["log", "rand"]
+wasm-bindgen = ["rand/wasm-bindgen"]
+stdweb = ["rand/stdweb"]
 
 [dependencies]
 log = { version = "0.4", optional = true }