* Remove and replace OnEndOfDay() ref
* Restore functionality of obsolete EOD, waiting for deprecation in August 2021
* Cleanup
* Adjustments to only post message when using obsolete EOD
* nit, extra space
* Address review
* Adjust test to reflect new behaviour
* Move GetPythonArgCount to an extension method
* Add unit test
* nit accidental import
* Refactor broken test
* Use Py.GIL() state for extension
* Reconcile duplicated code
* Add License header
* CS0219 Fixes: Value assigned, but never used
* CA1507: Use nameof in place of string literals
* CS0108 : Hides Inherited Member; Use new keyword to overwrite formally
* CS0114: Hides inherited member; use override keyword
* CS0168: Variable is declared but never used
* Tests CS1062; using obsolete implicit Symbol -> String; fix via .ToString()
* CS0472: Non Nullable Obj getting Null Checked
* CS0067 Member not used; ignore all cases for future use
* CS00162 : Unreachable code; either removed or ignored for debugging and test cases
* CS0169 Remove non-used fields; ignore those that may be used in future
* CS0414; Field is assigned but never used.
* CS0618; Obsolete properties and members; Only fixes simple ones, rest will have to broken up
* CS0649; Field never assigned too
* CS0659 & CS0661 ; Overwrite operators and equals but not hashcode; I don't really override it but just call base
* Small comment fix
* Cleanup pragma statement
- Reverted some changes to algorithms
- Changed UpdateOrderCommand.Quantity from int to decimal
- Fixed DefaultMarginCallModel for decimals and LotSize