Reorganization of threading for command line and wx main loops. Commands are now cleanly serialized through calls to wx.CallAfter. wx mainloop now runs on main thread.
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<Python xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/2001/XMLSchema" xsi:schemaLocation="python_xsd.xsd">
<![CDATA[import time,sys
def myprintfunc(arg):
print arg
sys.stdout.flush()
return arg]]>
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