Fix symlink to files linked to root. Fixes colinmollenhour#22

Make 'link' command work with relative paths. Improve error messages. C…

…loses colinmollenhour#23

Fix incorrect relative paths. Refs colinmollenhour#21

Add 'remove' command to delete module and clean links. Version 1.7 (a…

…gain). Closes colinmollenhour#20

Attempting to fix Mac OSX stat again.. Fixes colinmollenhour#11

Perform git fetch for all modules on update-all before doing any upst…

…ream merges.

Another argument parsing fix.

Fix handling of arguments in special cases.

Fix order of arguments for find command.

Use -mount option of find to avoid crossing filesystems (e.g. media d…

…irectory mounted on NFS).