Merge pull request #756 from sigma67/fix-all-exports

fix __all__

Author: derks

cement/__init__.py

@@ -10,3 +10,21 @@
 from .utils.misc import init_defaults, minimal_logger
 from .utils import misc, fs, shell
 from .utils.version import get_version
+
+__all__ = [
+    "App",
+    "TestApp",
+    "Interface",
+    "Handler",
+    "FrameworkError",
+    "InterfaceError",
+    "CaughtSignal",
+    "Controller",
+    "ex",
+    "init_defaults",
+    "minimal_logger",
+    "misc",
+    "fs",
+    "shell",
+    "get_version",
+]