Fix problem with "string" keys.

README.md

@@ -46,6 +46,7 @@ See `kitchen_sink.sh` examples.
 
 # Current Status
 
+ - [ ] CLI is wrapping `FILE.` and `FEED.` multihahshes in "string quotes". Why?
  - [ ] Update Dev docs in protocol spec to reflect changes to `lipmaa` header.
  - [ ] Update spec document CLI usage examples to reflect API changes in 2020.
  - [ ] 100% class / module documentation

lib/pigeon/draft.rb

@@ -22,12 +22,11 @@ module Pigeon
 
     def []=(key, value)
       raise STRING_KEYS_ONLY unless key.is_a?(String)
-
       case value[0..4]
-      when BLOB_SIGIL, MESSAGE_SIGIL, IDENTITY_SIGIL, STRING_SIGIL
+      when BLOB_SIGIL, MESSAGE_SIGIL, IDENTITY_SIGIL
         body[key] = value
       else
-        body[key] = value.inspect
+        body[key] = value.start_with?(STRING_SIGIL) ? value : value.inspect
       end
     end