Added readme reference.

Kevin Hellemun · Kevin Hellemun · commit 8af6eee54eef · 2017-09-25T10:20:47.000+02:00
diff --git a/README.md b/README.md
@@ -183,3 +183,7 @@ Please do not forget to set the `_API_KEY` constant in
 
 Information regarding the test cases can be found in the [README.md](./tests/README.md)
 located in [test](/tests)
+
+## Exceptions
+The SDK can raise multiple exceptions. For an overview of these exceptions please
+take a look at [EXCEPTIONS.md](./EXCEPTIONS.md)
