`keyword` parsing results in data loss when name contains `/`

Clojure 1.10.3:
```bash
clj -e '(let [k :foo/bar/qux] [k (namespace k) (name k)])'
```
```clojure
[:foo/bar/qux "foo" "bar/qux"]
```

ClojureRS `75c2bc156b6e43635f57e6f4b0abf180eb477047`:
```bash
cargo run -- -e ':foo/bar/qux'
```
```clojure
:foo/bar
```