handle empty path better
handle empty path better

darcs-hash:20080517161548-84dde-8b011466dcf6a0e95e5e0b9c6a5ddcf4cd4bd145.gz

charlycoste/StatusNet,csarven/statusnet,Br3nda/laconica,meitar/laconica,charnimda/lgbtpzn-social,gnusocial/mainline,csarven/statusnet,furtherfield/gnu-social,faulteh/gnu-social,xebia/statusnet-oauth2,foocorp/gnu-social,minmb/statusnet,gnusocial/mainline,zcopley/StatusNet,charlycoste/StatusNet,studio666/gnu-social,meitar/laconica,xebia/statusnet-oauth2,furtherfield/gnu-social,studio666/gnu-social,eXcomm/gnu-social,zcopley/zcopleys-statusnet-clone,zcopley/zcopleys-statusnet-clone,bankonme/gnu-social,minmb/statusnet,zh/statusnet,zcopley/StatusNet,chimo/social,furtherfield/gnu-social,znarf/statusnet-ladistribution,shashi/StatusNet,eXcomm/gnu-social,zcopley/zcopleys-statusnet-clone,brion/StatusNet,gnusocial/mainline,faulteh/gnu-social,d3vgru/StatusNet,chimo/social,Br3nda/laconica,meitar/laconica,sikevux/bsk-social,foocorp/gnu-social,minmb/statusnet,faulteh/gnu-social,d3vgru/StatusNet,Piratas/tortuga,gnusocial/mainline,zcopley/StatusNet,chimo/social,Piratas/tortuga,csarven/statusnet,brion/StatusNet,bankonme/gnu-social,Br3nda/laconica,eXcomm/gnu-social,csarven/statusnet,Piratas/tortuga,shashi/StatusNet,brion/StatusNet,furtherfield/gnu-social,znarf/statusnet-ladistribution,UngPirat/freesocial,xebia/statusnet-oauth2,UngPirat/freesocial,eXcomm/gnu-social,sikevux/bsk-social,zh/statusnet,sikevux/bsk-social,charlycoste/StatusNet,studio666/gnu-social,studio666/gnu-social,bankonme/gnu-social,znarf/statusnet-ladistribution,charnimda/lgbtpzn-social,foocorp/gnu-social,shashi/StatusNet,d3vgru/StatusNet,sikevux/bsk-social,UngPirat/freesocial,bankonme/gnu-social,zh/statusnet,charnimda/lgbtpzn-social,faulteh/gnu-social,Piratas/tortuga