Parser for future statements

Modules
		compiler.ast

Classes
		BadFutureParser FutureParser   class BadFutureParser     Check for invalid future statements     Methods defined here: visitFrom(self, node)   class FutureParser       Methods defined here: __init__(self) check_stmt(self, stmt) get_features(self) Return list of features enabled by future statements visitModule(self, node) Data and other attributes defined here: features = ('nested_scopes', 'generators', 'division')

Functions
		find_futures(node) is_future(stmt) Return true if statement is a well-formed future statement