Do not interpret commas when using "rustup run"
Do not interpret commas when using "rustup run"

Fixes #665
nodakai/rustup.rs,polonez/rustup.rs,inejge/rustup.rs,polonez/rustup.rs,polonez/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,Boddlnagg/rustup.rs,Boddlnagg/rustup.rs,theindigamer/rustup.rs,nodakai/rustup.rs,Boddlnagg/rustup.rs,inejge/rustup.rs,theindigamer/rustup.rs,theindigamer/rustup.rs,inejge/rustup.rs,rust-lang/rustup,rust-lang/rustup,Boddlnagg/rustup.rs,theindigamer/rustup.rs,rust-lang/rustup,inejge/rustup.rs,rust-lang/rustup,polonez/rustup.rs,theindigamer/rustup.rs,inejge/rustup.rs,Boddlnagg/rustup.rs,polonez/rustup.rs,nodakai/rustup.rs