mod_perl changes

    rewrite initialization, remove begin end block and load modules through eval

    rewrite debugging, all debug information can be writed into separated file instead of stdout

    force CORE::exit if error or die is happend

    force CORE::Exit if max_run is reached

    flush buffers before CORE::exit

bug fixed

    disable binmode for socket while send variable pool to external programm

regression found

    2 test failed for conditional operator "if value" must be true, but return false, need to be fixed