README.md in krypton-0.1.5 vs README.md in krypton-0.1.6

@@ -1,6 +1,6 @@
-<p align="center"><img src="https://raw.githubusercontent.com/cbrnrd/krypton/master/img/krypton-readme-header.png"></p>
+<p align="center"><img src="https://github.com/cbrnrd/krypton/raw/88b44a70de4829c3dd77dc8fbeb0395f89668b07/img/krypton-readme-header.png"></p>
 
 
 ## Installation
 
 You can install krypton as a standalone gem:
@@ -11,13 +11,38 @@
     
     $ gem install periodic-cli
 
 ## Usage
 
-To encrypt a string, the command looks like this:
+All krypton functions use the same basic syntax: `krypton [cmd] {[message/secret]{[key]}}`
 
-    $ krypton encrypt "mymessage" "mykey" 
-    mymessage => ckhJWXcyTE1leENLOWpBQzJWbElMdz09Cg==
+* `encrypt` - Encrypt a string
+
+        $ krypton encrypt "mymessage" "mykey" 
+        mymessage => ckhJWXcyTE1leENLOWpBQzJWbElMdz09Cg==
+
+* `decrypt` - Decrypt a string
+
+        $ krypton decrypt "ckhJWXcyTE1leENLOWpBQzJWbElMdz09Cg" "mykey" 
+        ckhJWXcyTE1leENLOWpBQzJWbElMdz09Cg => mymessage
+
+* `hash` - Hash a string or piped data
+
+        $ krypton hash "mymessage"
+        mymessage => S3ONp9WM7/rCMeuUnvWDzp5dxbuSVsOV6bI5AJvRqCc=
+
+        $ echo "mymessage" | krypton hash
+        mymessage => S3ONp9WM7/rCMeuUnvWDzp5dxbuSVsOV6bI5AJvRqCc=
+
+* `uuid` - Generate a secure [uuid](https://en.wikipedia.org/wiki/Universally_unique_identifier)
+
+        $ krypton uuid
+        b6ff36d2-3f7e-4077-8ba5-5066f0a205a5
+
+* `totp` - Generate a [time-based one-time password](https://en.wikipedia.org/wiki/Time-based_One-time_Password_algorithm)
+
+        $ krypton totp "myawesomesecret"
+        myawesomesecret => 997820
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/cbrnrd/krypton. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.