Tweak pending_chain_state::now() output when no prev state
Tweak pending_chain_state::now() output when no prev state

RemitaBit/Remitabit,FollowMyVote/bitshares,RemitaBit/Remitabit,camponez/bitshares,jakeporter/Bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,FollowMyVote/bitshares,dacsunlimited/dac_play,bitshares/bitshares,camponez/bitshares,camponez/bitshares,bitshares/bitshares,bitshares/bitshares,bitshares/devshares,bitshares/bitshares-0.x,bitsuperlab/cpp-play,jakeporter/Bitshares,FollowMyVote/bitshares,frrp/bitshares,dacsunlimited/dac_play,bitshares/devshares,RemitaBit/Remitabit,RemitaBit/Remitabit,dacsunlimited/dac_play,camponez/bitshares,dacsunlimited/dac_play,dacsunlimited/dac_play,bitshares/devshares,bitshares/bitshares-0.x,RemitaBit/Remitabit,frrp/bitshares,bitshares/bitshares,frrp/bitshares,bitshares/bitshares,bitshares/bitshares-0.x,frrp/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,RemitaBit/Remitabit,bitshares/devshares,jakeporter/Bitshares,bitshares/bitshares-0.x,frrp/bitshares,camponez/bitshares,bitshares/devshares,camponez/bitshares,jakeporter/Bitshares,dacsunlimited/dac_play,jakeporter/Bitshares,bitshares/bitshares,bitsuperlab/cpp-play,jakeporter/Bitshares,FollowMyVote/bitshares,bitsuperlab/cpp-play,bitsuperlab/cpp-play,frrp/bitshares,bitsuperlab/cpp-play,bitshares/devshares,bitsuperlab/cpp-play