Docs: Updated to include new methods

README.md

@@ -173,21 +173,12 @@ const awesomeModule = new AwesomeModule({ cache: some3rdPartyStore });
 
 ## API
 
-### new Keyv([uri], [options])
+### new Keyv([options])
 
 Returns a new Keyv instance.
 
 The Keyv instance is also an `EventEmitter` that will emit an `'error'` event if the storage adapter connection fails.
 
-### uri
-
-Type: `String`<br>
-Default: `undefined`
-
-The connection string URI.
-
-Merged into the options object as options.uri.
-
 ### options
 
 Type: `Object`
@@ -261,6 +252,10 @@ If set to true the raw DB object Keyv stores internally will be returned instead
 
 This contains the TTL timestamp.
 
+#### .has(key)
+
+Returns a promise which resolves to a boolean, indicating existence of a key.
+
 #### .delete(key)
 
 Deletes an entry.
@@ -273,6 +268,14 @@ Delete all entries in the current namespace.
 
 Returns a promise which is resolved when the entries have been cleared.
 
+```
+When calling clear(), on a keyv instance with no namespace, nothing is done.
+```
+
+#### .iterator()
+
+Returns an [Async Iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/asyncIterator), which iterates over all the keys in the namespace.
+
 ## License
 
 **keyv** © [Microlink](https://microlink.io), Released under the [MIT](https://github.com/microlinkhq/keyv/blob/master/LICENSE.md) License.<br>