Expose load and save functions to top level module

Author: achilleas-k

odml/__init__.py

@@ -1,9 +1,11 @@
-import sys
-from odml import doc
-from odml import property
-from odml import section
-from odml import value
-from odml.dtypes import DType
+_property = property
+
+from . import doc
+from . import property
+from . import section
+from .dtypes import DType
+from .fileio import load, save, display
+from .tools.odmlparser import allowed_parsers as parsers
 
 
 __version__ = '1.3.1'