minor updates in conf.py

doc/conf.py

@@ -45,7 +45,7 @@ def __getattr__(cls, name):
 
 # If your documentation needs a minimal Sphinx version, state it here.
 #
-needs_sphinx = '1.6'
+needs_sphinx = '3.1.1'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
@@ -80,17 +80,17 @@ def __getattr__(cls, name):
 
 # General information about the project.
 project = u'GLOFRIM'
-copyright = u'2018, J.M. Hoch et al.'
+copyright = u'2020, J.M. Hoch et al.'
 author = u'J.M. Hoch'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u'2'
+version = u'2.1'
 # The full version, including alpha/beta/rc tags.
-release = u'2'
+release = u'2.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.