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* Flush output buffers before executing external commands. Previously
if you did, e.g. eazysvn branchdiff > DIFF, you would see the output of svn
diff above the svn diff command itself.
* Fix command alias handling on windows
(https://github.com/mgedmin/eazysvn/pull/1)
Patch by Timon Wong <timon86.wanggmail.com>.
* Support Python 3.