message: Fixes to get create_exchange to actually run and pass.
diff: @@ -428,7 +428,6 @@ void BuyCurrency( testing_blockchain& chain, AccountName buyer, AccountName exch
  }
  BOOST_FIXTURE_TEST_CASE(create_exchange, testing_fixture) {
  - try {
  try {
  Make_Blockchain(chain);
  chain.produce_blocks(2);
  @@ -446,8 +445,6 @@ BOOST_FIXTURE_TEST_CASE(create_exchange, testing_fixture) {
  TransferCurrency( chain, "currency", "inita", 1000 );
  TransferCurrency( chain, "currency", "initb", 2000 );
  - Transfer_Asset(chain, system, inita, Asset(50));
  - Transfer_Asset(chain, system, initb, Asset(50));
  chain.produce_blocks(1);
  ilog( "transfering funds to the exchange" );
  TransferCurrency( chain, "inita", "exchange", 1000 );
  @@ -471,23 +468,21 @@ BOOST_FIXTURE_TEST_CASE(create_exchange, testing_fixture) {
  chain.produce_blocks(1);
  wlog( "start buy and sell" );
  - SellCurrency( chain, "initb", "exchange", 1, 100, .5 );
  - SellCurrency( chain, "initb", "exchange", 1, 100, .75 );
  - SellCurrency( chain, "initb", "exchange", 1, 100, .85 );
  + uint64_t order_num = 1;
  + SellCurrency( chain, "initb", "exchange", order_num++, 100, .5 );
  + SellCurrency( chain, "initb", "exchange", order_num++, 100, .75 );
  + SellCurrency( chain, "initb", "exchange", order_num++, 100, .85 );
  //BOOST_REQUIRE_THROW( SellCurrency( chain, "initb", "exchange", 1, 100, .5 ), fc::exception ); // order id already exists
  //SellCurrency( chain, "initb", "exchange", 2, 100, .75 );
  // BuyCurrency( chain, "initb", "exchange", 1, 50, .25 );
  - BuyCurrency( chain, "initb", "exchange", 1, 50, .5 );
  + BuyCurrency( chain, "initb", "exchange", order_num++, 50, .5 );
  //BOOST_REQUIRE_THROW( BuyCurrency( chain, "initb", "exchange", 1, 50, .25 ), fc::exception ); // order id already exists
  /// this should buy 5 from initb order 2 at a price of .75
  //BuyCurrency( chain, "initb", "exchange", 2, 50, .8 );
  } FC_LOG_AND_RETHROW()
  - }catch(...) {
  - elog( "unexpected exception" );
  - }
  }
  //Test account script float rejection
  