v0.1.1

The following are the **changes** in v0.1.1
1. Ported to **Python 3.2**
2. **.export()** method requires the *path* and *mode*
3. **.attr()** returns a tuple e.g. (time_of_creation, url_of_firebase, authentication_token)
4. **.onChange()** has a new parameters: 

* *fetches* - the number of the fetches the watch should do before stopping
* *frequency* - number of seconds before checking for chenges in the Firebase point