Pixiu

**Descriptions：**
1.Add output


[2021-05-28]
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**Descriptions：**
1.Struct project directories
2.Complete README.txt


[2021-05-27]
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**Descriptions：**
1.Add load channel


[2021-05-26]
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**Descriptions：**
1.Add PXTester, main


[2021-05-24]
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**Descriptions：**
1. api add help doc string


[2021-05-22]
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**Descriptions：**
1.add language
2.fix sl/tp error:
ds[((ds['sl'] > 0) & (ds['sl_p'] <= 0)) | ((ds['tp'] > 0) & (ds['tp_p'] >= 0))]
3.api:
Dict - > UIDs
def GetOpenedOrderUIDs(self, symbol: str = None)
def GetPendingOrderUIDs(self, symbol: str = None)
def GetClosedOrderUIDs(self, symbol: str = None)


[2021-05-19]
Version:
Package: