updated kaa/__init__.py comments

kaa/__init__.py

@@ -1,9 +1,17 @@
+# Various package-level initializations goes here.
+# Any non-essential variables should be del-ed,
+# so we don't clutter kaa.* namespace.
+
+
+# Version data from `versioneer` script.
 from ._version import get_versions
 __version__ = get_versions()['version']
 del get_versions
 
 
+# We initialize logging outside _kaa module,
+# since the module itself is used in logging configuration
+# dict, causing import issues.
 from .log import _initialize_kaa_logging_config
-
 _initialize_kaa_logging_config()
 del _initialize_kaa_logging_config