demandimport: change default for level from None to -1 The Python default for this function is -1, indicating both relative and absolute imports should be used.[1] Previously, we relied on the Python VM not passing level when such semantics were requisted. This is not the case for PyPy, however, where a level of -1 is always passed to __import__. [1] <http://docs.python.org/library/functions.html#__import__>

export: flush the file pointer between patches

test-clone-failure.t: fix unification oversight Prior to unification, the test contained an 'echo $?' line. This line was removed during unification, but the 'echo 255' line that faked it when FIFO support is absent was not.

keyword: make kwfiles show deleted files configured for expansion