No need to flood the logs, single error should be enough.

Closes: #474

…rategy

Previous fix caused "RuntimeError: OrderedDict mutated during iteration"
error, this change prevents this.

Closes: #556

Closes: #557

…factor pricefeed

 methods; decouple methods from account

…to pr-558-merge

…ne.py

…pr-579-merge

o -> order

Lost change from 795e32e

From f9922c7

…39-merge

…e-error-empty-market

Before this BitsharesOrderEngine class tried to use get_own_orders()
which is nor defined neighter inherited.

…pr-533-merge

This method is already defined inside StrategyBase class

* consistent property names: own_orders, all_own_orders
* separate methods get_all_own_orders, get_own_orders: allows to use
  `refresh=True` as needed, also fixes ability to use `refresh` kwarg
  because it was unable to use on property

…ket' into pr-569-merge

…r-581-merge