Added some addtional utilities to the onionoo wrapper
Temporarily removed the cache feature of the wrapper
Unit testing for the onionoo wrapper
More Unit Testing(mock) for the Onionoo Wrapper
Merge remote-tracking branch 'lucyd/onionoo-wrapper' into develop

Conflicts:
	weather/weatherapp/onionoo_wrapper/__init__.py
	weather/weatherapp/onionoo_wrapper/caching.py
	weather/weatherapp/onionoo_wrapper/utilities/__init__.py