Dan Duvall 3b8bc2a433 core: allow IO redirection of UI for testing
Use of $stdin, $stdout, and $stderr globals makes testing difficult. By
exposing the IO objects as writable attributes, input/output can be more
easily simulated using StringIO or doubles.
2015-03-04 11:23:16 -08:00
..
2014-12-14 23:28:14 -05:00
2014-12-08 18:26:36 -08:00