Misc. typos

+ stepcode typo submitted upsream https://github.com/stepcode/stepcode/pull/372

src/Base/PyExport.h

@@ -101,7 +101,7 @@ class PyObjectBase;
 /** Python Object handle class
  *  Using pointers on classes derived from PyObjectBase would
  *  be potentionaly dangerous because you would have to take
- *  care of the referenc counting of python by your self. There
+ *  care of the reference counting of python by your self. There
  *  fore this class was designd. It takes care of references and
  *  as long as a object of this class exists the handled class get
  *  not destructed. That means a PyObjectBase derived object you can
@@ -135,7 +135,7 @@ public:
     }
 
     /** destructor
-     *  Release the referenc count which cause,
+     *  Release the reference count which cause,
      *  if was the last one, the referenced object to
      *  destruct!
      */