bug #1 fix

mastersetup.bash

@@ -39,6 +39,7 @@ install_from_url() { # I agree this will work fine
     local install_cmd=$2
     local temp_file=$(mktemp)
     curl -fsSL "$url" -o "$temp_file"
+    chmod 755 "$temp_file"
     eval "$install_cmd $temp_file"
     rm "$temp_file"
 }