Some minor changes (#3)

* Some minor changes

* Api as optional

* Api as optional

* doca comment fix

* change docs section

* change docs section

Author: Loster83

README.md

@@ -10,15 +10,10 @@ Desired features:
   - Set
   - Remove
 - Golang API client
-- Telnet-like/HTTP-like API protocol
-- Provide some tests, API spec, deployment docs without full coverage, just a few cases and some examples of telnet/http calls to the server.
+- Provide some tests, API spec, some deployment manual, some examples of client usages would be nice.
 
 Optional features:
-- persistence to disk/db
-- scaling(on server-side or on client-side, up to you)
-- auth
+- Telnet-like/HTTP-like API protocol
 - performance tests
 - Operations:
-  - Update
   - Keys
-- wal