Make lvu sumbit compatible with git am
only detect module in zlocal if DETAILS exists

otherwise the special path $MOONBASE/zlocal/_patches/<module>
is always selected by find_section in case the module
is not part of the index..
fix number detection in `lvu expired`
Merge pull request #70 from cavalier38/lvu-submit

Make lvu sumbit compatible with git am
Merge pull request #84 from v4hn/fix-number-detection

fix number detection in `lvu expired`
Merge pull request #82 from v4hn/ignore-_patches

only detect module in zlocal if DETAILS exists