2018-01-11  Phil Budne <phil@ultimate.com>
	Accept string or tuple to_addrs
	released to PyPI as v1.0

2016-01-06  Phil Budne <phil@ultimate.com>
	released to PyPI as v0.9

2009-08-10  Phil Budne <phil@ultimate.com>
	released to PyPI as v0.1
