Fix parsing empty base class lists
Fix failing tests
Remove obsolete file
Remove obsolete transform-related code
Remove obsolete test cases
Remove obsolete code
Remove obsolete code
Include tuple instance type in TupleType instances
Fixes to test cases
Remove tuple from BasicTypes
Add fallback type to callable types
Refactoring
Add upper bound type to type variables
Remove mypy.types.BasicTypes
Merge branch 'refactor-basictypes'

Get rid of mypy.types.BasicTypes.
Remove obsolete AST node classes
Clean up obsolete code
Remove more obsolete code

Closes #449.
Merge branch 'master' of https://github.com/kirbyfan64/mypy into kirbyfan64-master
Add test case for class Foo()