version 0.3.0 released

Chagelog (from 0.2.1)

list of changes

• remove old apis. (animation(), all_touch_moves(), process_and_thread)
• add close_soon(). It schedules a Task/coroutine to close before the next frame.
• or_(), and_(), or_from_iterable() and and_from_iterabler() always cancel thier child tasks like trio's nursery. (#32)
• The signiture of event() and rest_of_touch_moves() has changed as follows:

# before
def event(ed, name, *, filter=None, return_value=None):
    ...
async def rest_of_touch_moves(widget, touch, *, eat_touch=False):
    ...

# after
def event(ed, name, *, filter=None, stop_dispatching=False):
    ...
async def rest_of_touch_moves(widget, touch, *, stop_dispatching=False):
    ...