Make the code handle different directory structures better (if you ha…

…d two pywinauto folders in the path - then it was taking the first to be the pywinauto root - while in fact it should be the last one)

doc_src/build_autodoc_files.py

@@ -48,13 +48,12 @@
 
         filepath =  os.path.join(root, filename)
 
-        modulename = filepath.split("\\")
-        modulename = modulename[modulename.index('pywinauto'):]
-
-        # remove extension
-        modulename[-1] = modulename[-1][:-3]
+        # find the last instance of 'pywinauto'
+        modulename = 'pywinauto' + filepath.rsplit("pywinauto", 1)[1]
+        modulename = os.path.splitext(modulename)[0]
+        modulename = modulename.replace('\\', '.')
 
-        modulename = ".".join(modulename)
+
 
         out = open(doc_source_filename, "w")