Add pagination to the audit API

Author: slushpupie

slack-api-client/src/main/java/com/slack/api/audit/impl/AuditClientImpl.java

@@ -93,6 +93,9 @@ public LogsResponse getLogs(LogsRequest req) throws IOException, AuditApiExcepti
         if (req.getEntity() != null) {
             query.put("entity", req.getEntity());
         }
+        if(req.getCursor() != null) {
+            query.put("cursor", req.getCursor());
+        }
         return doGet(getEndpointUrlPrefix() + "logs", query, getToken(req), LogsResponse.class);
     }
 

slack-api-client/src/main/java/com/slack/api/audit/request/LogsRequest.java

@@ -41,4 +41,9 @@ public class LogsRequest implements AuditApiRequest {
      */
     private String entity;
 
+    /**
+     * Used for pagination. May be null.
+     */
+    private String cursor;
+
 }