python shell handling is broken. about cogserver HOT 4 OPEN

One reason the telnet shell is broken is that we have no unit tests for it. Once upon a time, it used to work.

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python results are discarded so it's difficult to test it. Agreed it is broken, but I guess we'll address that more deeply after the demo.

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I sort of got it working
Code like this works fine

for i in range(10) :
    print "foo", i

but code like the one u posted with the empty line inside a scope doesn't work
because like the standard interpreter, an empty line ends a scope(when typed in).
https://github.com/Dagiopia/atomspace/blob/master/opencog/cython/PythonEval.cc

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I stubbed out line 107 of tests/cython/PythonModuleUTest.cxxtest until this issue is resolved. When this bug is fixed, then that line should be enabled again.

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