Felicity Evans and James Williams look back at the Green Party's recent get together in Manchester with its Welsh leader Anthony Slaughter - and the Liberal Democrats' gathering in Brighton with the party's newly-elected MP for Brecon, Radnor and Cwm Tawe, David Chadwick. With both parties returning record numbers of MPs to Westminster in the General Election the mood at their conferences was celebratory. But already their attention is turning to the Senedd elections in 20 months time.