btstest.py:  use exec mode instead of eval
btstest.py:  use exec mode instead of eval

bitshares/bitshares,frrp/bitshares,bitshares/devshares,FollowMyVote/bitshares,camponez/bitshares,camponez/bitshares,camponez/bitshares,bitshares/devshares,bitshares/bitshares,bitshares/bitshares-0.x,frrp/bitshares,bitshares/devshares,bitshares/bitshares-0.x,frrp/bitshares,bitshares/bitshares,frrp/bitshares,FollowMyVote/bitshares,bitshares/devshares,bitshares/bitshares-0.x,bitshares/bitshares,bitshares/devshares,jakeporter/Bitshares,bitshares/bitshares-0.x,bitshares/bitshares,jakeporter/Bitshares,frrp/bitshares,FollowMyVote/bitshares,camponez/bitshares,jakeporter/Bitshares,jakeporter/Bitshares,jakeporter/Bitshares,FollowMyVote/bitshares,bitshares/devshares,FollowMyVote/bitshares,jakeporter/Bitshares,frrp/bitshares,camponez/bitshares,bitshares/bitshares,camponez/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,bitshares/bitshares-0.x