MQL5: Fixed an error with return of structures by values from functions for x64.
MQL5: Fixed operation of the CopyBuffer function during work with buffers of a custom indicator.
Added check of availability of history and connection of the terminal
at the start of an Expert Advisor. If the history is unavailable or
terminal cannot establish connection during 5 seconds, the Expert
Advisor will start with available data.
MetaTester: Fixed checking of restrictions on the maximum volume of positions and orders.
MetaTester: Fixed sorting of the history of deals in the tester.