PCKG automatically generate version from git-tags

* uses setuptools_scm

doc/conf.py

@@ -15,11 +15,13 @@
 import sys
 import os
 on_rtd = os.getenv('READTHEDOCS') == 'True'
+from setuptools_scm import get_version
 
 # 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('..'))
+root = os.path.relpath(os.path.join(os.path.dirname(__file__), '..'))
 
 # -- General configuration ------------------------------------------------
 
@@ -64,9 +66,9 @@ copyright = u'2016, Manuel F Martinez and others'
 # built documents.
 #
 # The short X.Y version.
-version = '1.0.8'
+version = get_version(root=root)
 # The full version, including alpha/beta/rc tags.
-release = '1.0.8'
+release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.