Add the parsers to parse keys.

src/cipher_analytical_machine/parsers/parsers.clj

@@ -0,0 +1,9 @@
+(ns cipher-analytical-machine.parsers.parsers
+  (:require [cheshire.core :as cc])
+  (:gen-class))
+
+(defn unsigned-int?
+  [str]
+  (if (re-matches #"\d+" str)
+    true false))
+