add an invert switch for bi-directional relations
add an invert switch for bi-directional relations

nikgo/bolt,lenvanessen/bolt,Raistlfiren/bolt,nikgo/bolt,electrolinux/bolt,cdowdy/bolt,CarsonF/bolt,GawainLynch/bolt,Raistlfiren/bolt,rarila/bolt,GawainLynch/bolt,rarila/bolt,rarila/bolt,romulo1984/bolt,nikgo/bolt,lenvanessen/bolt,cdowdy/bolt,electrolinux/bolt,joshuan/bolt,bolt/bolt,romulo1984/bolt,Intendit/bolt,joshuan/bolt,CarsonF/bolt,lenvanessen/bolt,joshuan/bolt,electrolinux/bolt,HonzaMikula/masivnipostele,CarsonF/bolt,Intendit/bolt,GawainLynch/bolt,cdowdy/bolt,romulo1984/bolt,Raistlfiren/bolt,nikgo/bolt,joshuan/bolt,HonzaMikula/masivnipostele,GawainLynch/bolt,Intendit/bolt,HonzaMikula/masivnipostele,bolt/bolt,Intendit/bolt,CarsonF/bolt,bolt/bolt,HonzaMikula/masivnipostele,cdowdy/bolt,electrolinux/bolt,romulo1984/bolt,bolt/bolt,lenvanessen/bolt,rarila/bolt,Raistlfiren/bolt