add functions to add/rm lruprefixes, handle aliases, declare webentity by lru, merge WE into another, delete WEs with no LRU + refacto
add functions to add/rm lruprefixes, handle aliases, declare webentity by lru, merge WE into another, delete WEs with no LRU + refacto

medialab/hyphe,medialab/hyphe,medialab/hyphe,medialab/hyphe