Added auto-import for api.
Changed readme and test accordingly.
Merge branch 'mvexel/master' into auto-import

Conflicts:
	Overpass/Overpass.py
	Overpass/__init__.py
	Overpass/api.py
	README.md
	overpass/Overpass.py
Merge pull request #11 from itiboi/auto-import

Auto import
Merge remote-tracking branch 'mvexel/master' into feature/queries
Added auto-import for queries and updated readme accordingly.