+ Fix latitude and longitude in `manager_test.py`.
+ Add support for observations.
+ Swap the order of latitude and longitude in function calls.
+ Add a timeout of 1 second to the API call.
+ Fix error which set sites to `None`.
+ Fix documentation build.
+ Use python 3 syntax in examples.
+ Fix bug where `forecast.now()` always returned `None`.
+ Change print statements in `Manager.py` and `Forecast.py` to python 3 style.
+ Fix bug where no data was returned for about an hour after midnight.
+ Add `forecast.future()` function.
+ Add support for python 3.6.