Switch back to finding sbws's version the hard way in docs

ReadTheDocs doesn't install sbws so we can't import the version.
So we have to essentially grep for it.

docs/source/conf.py

@@ -13,9 +13,13 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 import os
-import sys
-sys.path.insert(0, os.path.abspath(os.path.join('.' '../', '../')))
-from sbws import version as __version__
+def find_version():
+    with open(os.path.join("..", "..", "sbws", "__init__.py")) as fp:
+        for line in fp:
+            if "version" in line.strip():
+                version = line.split("=", 1)[1].strip().strip("'")
+                return version
+
 
 # -- Project information -----------------------------------------------------
 
@@ -24,7 +28,7 @@ copyright = 'Public Domain'
 author = 'Matt Traudt'
 
 # The short X.Y version
-version = __version__
+version = find_version()
 # The full version, including alpha/beta/rc tags
 release = version