livecheck: refactor url preprocessing
livecheck: refactor url preprocessing

MikeMcQuaid/brew,sjackman/homebrew,claui/brew,nandub/brew,nandub/brew,vitorgalvao/brew,konqui/brew,EricFromCanada/brew,MikeMcQuaid/brew,EricFromCanada/brew,EricFromCanada/brew,MikeMcQuaid/brew,JCount/brew,Homebrew/brew,vitorgalvao/brew,MikeMcQuaid/brew,Homebrew/brew,claui/brew,nandub/brew,JCount/brew,konqui/brew,nandub/brew,konqui/brew,claui/brew,vitorgalvao/brew,sjackman/homebrew,EricFromCanada/brew,konqui/brew,vitorgalvao/brew,Homebrew/brew,sjackman/homebrew,JCount/brew,Homebrew/brew,claui/brew,JCount/brew,sjackman/homebrew