fix readwriteappendseek unittest for windows compatability

fs/__init__.py

@@ -15,7 +15,7 @@ implementations of this interface such as:
 
 """
 
-__version__ = "0.2.0"
+__version__ = "0.2.0a2"
 __author__ = "Will McGugan (will@willmcgugan.com)"
 
 #  'base' imports * from 'path' and 'errors', so their

fs/tests/__init__.py

@@ -404,8 +404,10 @@ class FSTestCases:
         f2.close()
         self.assert_(checkcontents("b.txt", test_strings[0]))
         f3 = self.fs.open("b.txt", "ab")
-        self.assertEquals(f3.tell(),len(test_strings[0]))
+        # On win32, tell() gives zero until you actually write to the file
+        #self.assertEquals(f3.tell(),len(test_strings[0]))
         f3.write(test_strings[1])
+        self.assertEquals(f3.tell(),len(test_strings[0])+len(test_strings[1]))
         f3.write(test_strings[2])
         self.assertEquals(f3.tell(),len(all_strings))
         f3.close()