added mirror_args()
added option --mirror-arguments
implemented --mirror-arguments (non-portably)
moved mem2str to string_utils.c
added -U option to help text
add configure test to see whetere ovwriting argv is visible in ps (1)
typo
AC_DEFINE wants 3 arguments
changed name of OVERWRITE_ARGS to ENABLE_MIRROR_ARGS
compilation of mirror_args_init conditional on #HAVE_MIRROR_ARGS
mirror args after command output
added semicolon
added --mirror-arguments to manpage
removed config.h.in
removed duplicate calculation of command_line
added test for ability to change ps-visible argunment string from within rlwrap
Merge branch 'copy_args'

work on --copy-args option is finished