Add missing error handling

Author: progval

lib/matrix_client/client.ex

@@ -329,6 +329,7 @@ defmodule M51.MatrixClient.Client do
           case M51.Matrix.RawClient.put(raw_client, path, body) do
             {:ok, %{"event_id" => event_id}} -> {:ok, event_id}
             {:error, nil, error} -> {:error, error}
+            {:error, http_code, error} -> {:error, "Error #{http_code}: #{error}"}
           end
       end
 
@@ -358,6 +359,7 @@ defmodule M51.MatrixClient.Client do
           case M51.Matrix.RawClient.get(raw_client, path) do
             {:ok, events} -> {:ok, events}
             {:error, nil, error} -> {:error, error}
+            {:error, http_code, error} -> {:error, "Error #{http_code}: #{error}"}
           end
       end
 
@@ -387,6 +389,7 @@ defmodule M51.MatrixClient.Client do
           case M51.Matrix.RawClient.get(raw_client, path) do
             {:ok, events} -> {:ok, events}
             {:error, nil, error} -> {:error, error}
+            {:error, http_code, error} -> {:error, "Error #{http_code}: #{error}"}
           end
       end