Further revisions to market engine, allowing buying normal shorts
Further revisions to market engine, allowing buying normal shorts

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