Merge branch 'interpreter-api' into dev

Conflicts:
	jedi/__init__.py
	test/test_regression.py

See: #145

jedi/__init__.py

@@ -42,7 +42,7 @@ import sys
 # imports and circular imports... Just avoid it:
 sys.path.insert(0, __path__[0])
 
-from .api import Script, NotFoundError, set_debug_function, _quick_complete, \
+from .api import Script, Interpreter, NotFoundError, set_debug_function, \
                  preload_module
 from . import settings