more shell work
more shell work

1) implement auto column width (.width auto)
2) rework the way cmds are set up such that the parser doesn't
   get confused with "show variables" versus ".show tables"
3) better auto completion


fedora-conary/conary,fedora-conary/conary,fedora-conary/conary,fedora-conary/conary,fedora-conary/conary