Added horizontal rules between sections.

README.md

@@ -39,12 +39,16 @@ GitLabApi gitLabApi = new GitLabApi("http://your.gitlab.server.com", "YOUR_PRIVA
 List<Project> projects = gitLabApi.getProjectApi().getProjects();
 ```
 
+---
+
 As of GitLab4J-API 4.2.0 support has been added for GitLab API V4. If your application requires GitLab API V3 you can still use GitLab4J-API by creating your GitLabApi instance as follows:
 ```java
 // Create a GitLabApi instance to communicate with your GitLab server using GitLab API V3
 GitLabApi gitLabApi = new GitLabApi(ApiVersion.V3, "http://your.gitlab.server.com", "YOUR_PRIVATE_TOKEN");
 ```
 
+---
+
 GitLab4J-API provides an easy to use paging mechanism to page through lists of results from the GitLab API.  Here is an example on how to use the Pager:
 ```java
 // Get a Pager instance that will page through the projects with 10 projects per page
@@ -60,6 +64,8 @@ while (projectsPager.hasNext())) {
 }
 ```
 
+---
+
 The API has been broken up into sub APIs classes to make it easier to learn and to separate concerns.  Following is a list of the sub APIs along with a sample use of each API.  See the Javadocs for a complete list of available methods for each sub API.
 
 Available Sub APIs