Pixiu

**Descriptions：**
1.ea_tester.py:
1) __add_market_order__:
new_order['comment'] = f"cuid{new_order['uid']}|"
to
new_order['comment'] = f"uid{new_order['uid']}|"

[2021-08-06]
Version:
Package:

**Descriptions：**
1.API 1
1) Add Plot

[2021-08-04]
Version:
Package:

**Descriptions：**
1.ea_tester.py:
1).Change plot parameters to plot(chart_name, {series_name1: data, series_name2: data, ...})

[2021-07-20]
Version:
Package:

**Descriptions：**
1.ea_tester.py:
1).Add plot

[2021-07-16]
Version:
Package:

**Descriptions：**
1.Update API:
1) GetOpenedOrderUIDs, GetPendingOrderUIDs, GetClosedOrderUIDs
Add parameter: scope

[2021-07-08]
Version:
Package:

**Descriptions：**
1.fix write_log bugs: parameters count


[2021-06-07]
Version:
Package: