Get version number for docs from module

docs/conf.py

@@ -16,7 +16,7 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.insert(0, os.path.abspath('.'))
+sys.path.insert(0, os.path.abspath('..'))
 
 # -- General configuration -----------------------------------------------------
 
@@ -47,10 +47,11 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
+import xdg
 # The short X.Y version.
-version = '0.23'
+version = xdg.__version__
 # The full version, including alpha/beta/rc tags.
-release = '0.23'
+release = xdg.__version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.