Minor method docs improvement in readme

Author: phillipj

Readme.md

@@ -30,7 +30,9 @@ Here's an example of what an app shows up as on the Plex web interface
 
 The rows in that example from top to bottom are `deviceName`, `version`, `product`, and `device`.
 
-**query(uri) : Retrieve content from URI**
+### .query(uri)
+
+**Retrieve content from URI**
 
 Aside from requesting the API and returning its response, an `.uri` property are created to easier follow the URIs available in the HTTP API. At the moment URIs are attached for Directory and Server items.
 
@@ -51,7 +53,9 @@ client.query("/").then(function (result) {
 });
 ```
 
-**postQuery(uri) : Send a POST request and retrieve the response**
+### .postQuery(uri)
+
+**Send a POST request and retrieve the response**
 
 This is identical to ```query(uri)```, except that the request will be a POST rather than a GET.
 
@@ -73,7 +77,9 @@ client.postQuery("/playQueue?type=video&uri=someuri&shuffle=0'").then(function (
 });
 ```
 
-**perform(uri) : Perform an API action**
+### .perform(uri)
+
+**Perform an API action**
 
 When performing an "action" on the HTTP API, the response body will be empty.
 As the response content itself is worthless, `perform()` acts on the HTTP status codes the server responds with.
@@ -90,7 +96,9 @@ client.perform("/library/sections/1/refresh").then(function () {
 });
 ```
 
-**find(uri, [{criterias}]) : Find matching child items on URI**
+### .find(uri, [{criterias}]) 
+
+**Find matching child items on URI**
 
 Uses `query()` behind the scenes, giving all directories and servers the beloved `.uri` property.