Log Message:

initial TODO list:

existing tools:

    pkg_cmp_summary:

    pkg_list_all_pkgs:
       man page
       add -h|--help option

    pkg_micro_src_summary:
       - should fallback 'pkg_src_summary -f' (also to not
                            duplicate paexec-related code)
       add -h|--help option

    pkg_refresh_summary:
       man page

    pkg_src_fetch_var:
       man page
       add -h|-help option

    pkg_src_summary:
       add -h|--help option
       -f|--fields <fields>     - fields to be generated
       'make print-summary-data' -> 'make show-vars VARNAMES=...'
       - distributed summary building using wip/paexec

    pkg_summary4view:
       add -h|--help option

    pkg_update_src_summary:
       add -h|--help option

    pkg_update_summary:

new tools:

    pkg_grep_summary - for powerful grepping