- Don't over-optimize, check the timestamps of byte-code files.
    - Use the correct name for byte-code files.
    - Add an option -f/--force.
    - Copy stdout/stderr of py_compile processes in case of error.
    - Propagate the exit value of the py_compile processes.
    - Update manual page.
  * Bump depends to require the fixed pycompile for dh_python2 based package
    builds.
  * Don't touch the standard python library in rtupdate scripts.