[fix] Start key-id index from 1

Author: ptaoussanis

src/taoensso/tempel/keys.clj

@@ -202,7 +202,7 @@
     :sym-cipher  {:key-sym [ck-e-sym-11 ck-a-sym-10]}})
 
 (defn- mkc-next-key-id [m-keychain]
-  (Integer/toString (inc (count m-keychain)) (min Character/MAX_RADIX 62)))
+  (Integer/toString (count m-keychain) (min Character/MAX_RADIX 62)))
 
 (defn- mkc-top-priority [m-keychain]
   (inc ^long