suppressed 'find' error messages during tab completion
partial fix for bash tab completion breaking with '
more fix of bash completion breaking on '
fixed bash completion breaking on ': subdir expansion
changed $status to $stat to avoid breaking with zsh
fixed zsh tab completion breaking on '
update version number: v1.2.1
partial subshell detection
reverted subshell nesting detection
fixed tab completion improperly adding slash to non directories (-p)
update version number: v1.2.2
removed use of variables to parameterize commands (ie. TO_SED); Use PATH instead
initial implementation using symlinks
some basic tab completion
removed use of 'function' for POSIX compliance
rudimentary tab completion
rudimentary subdir expansion
some improvement on subdir expansion
almost functional subdir expansion
fully functional subdir expansion