Merge branch 'develop'

Author: rob

CHANGELOG.md

@@ -1,5 +1,24 @@
 # Release notes
 
+## Version 1.61
+
+- Replaced log to database with log to file
+- Won't generate roll order if order for instrument already on stack
+- Removed warning code for empty spread data
+
+## Version 1.60
+
+- Moved storage of contract positions, instrument strategy positions, optimal positions from mongo/timedStorage to Arctic [announcement]()
+- Multiple instances of same IB symbol in config can now be resolved
+- Instrument config and roll config now live purely in .csv
+- Seperate database table for spread costs
+- Logs have to have one of a limited number of labels
+- Positions now use database stored expiries, not live IB expiries
+- Portfolio beta in risk reports
+- Many additional instruments added to config
+- Can apply a long only constraint to instrument positions
+- Live p&l now returned as accountCurve object
+
 ## Version 1.50
 
 - Added optional code to run price collection throughout the day, see [announcement](https://github.com/robcarver17/pysystemtrade/discussions/961)

CONTRIBUTING.md

@@ -71,7 +71,7 @@ In general, we try and follow the original texts: [PEP 8](https://peps.python.or
 - Common methods are `get`, `calculate`, `read`, `write`.
 - There is a specific procedure for naming objects which form part of the data heirarchy, see [here](https://github.com/robcarver17/pysystemtrade/blob/master/docs/data.md#part-2-overview-of-futures-data-in-pysystemtrade). If this is not followed, then the [automated abstraction of data inside Data 'blob' instances](https://github.com/robcarver17/pysystemtrade/blob/master/docs/data.md#data-blobs) won't work.
 - Although arguably redundant, I am a fan of describing eg objects that inherit from dicts with a dict_ prefix. This gives hints as to how they behave without having to look at their code.
-
+ 
 
 ### Error handling
 

README.md

@@ -7,10 +7,10 @@ Rob Carver
 [https://qoppac.blogspot.com/p/pysystemtrade.html](https://qoppac.blogspot.com/p/pysystemtrade.html)
 
 
-Version 1.50
+Version 1.61
 
 
-2023-01-27
+2023-03-24