Implement primitive `loop` special form.
Implement primitive `loop` special form.

- Loop is replacement if imperative while and for loops via recursion.
- Implements clojure loop / recur API without destructuring.

Gozala/lispyscript,theunknownxy/wisp,egasimus/wisp,lawrenceAIO/wisp,radare/wisp,devesu/wisp