OCaml: Update cram test spec version, add some reference implementations

ocaml/TODO.md

@@ -29,6 +29,12 @@
     - [ ] Expand unit tests coverage
     - [ ] Try out doc generation
 
+- [ ] Check out
+    - [ ] <https://github.com/janestreet/shexp>
+    - [ ] <https://erratique.ch/software/bos>
+    - [ ] <https://github.com/ninjaaron/ocaml-subprocess>
+    - [ ] <https://github.com/charlesetc/feather>
+
 ## Notes
 
  1. INS = Iganaq Napkin Spec: <https://brew.bsd.cafe/tori/iganaq#specification>

ocaml/test/cram.t

@@ -1,4 +1,4 @@
-This file tests this tori implementation against the Iganaq Napkin Spec v0
+This file tests this tori implementation against the Iganaq Napkin Spec v0.1
 
 A2. 'log' MUST print only if DEBUG is set and MUST be preceded by ' [log] '