FIX: Fix version of ACT at top of page (#868)

* FIX: Fix version of ACT at top of page

* FIX: Fix when version is empty

docs/source/conf.py

@@ -93,11 +93,20 @@
 # built documents.
 #
 import act  # noqa
+import re  # noqa
+
+# Extrac the version info and parse it
+verinfo = act.__version__
+
+if verinfo is None:
+    verinfo = ""
+
+parsed_version = re.search(r"(?P<full>(?P<base>\d+\.\d+)\.?\w*)", verinfo).groupdict()
 
 # The short X.Y version.
-version = act.__version__
-# The full version, including alpha/beta/rc tags.
-release = act.__version__
+version = parsed_version["base"]
+if "+" in verinfo:
+    version += "dev"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.