Give some attention to --copy option. Fixes colinmollenhour#28

Remove use of redirect from command as file construct for operation i…

…n chrooted environments. Fixes colinmollenhour#13

Get rid of uses of 'tr'.

Fix incoming on git repos should use designated tracking branch. Upda…

…te bash completion. Output all module logs for 'incoming' command to single pager.

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.