Kucoin and CoinbasePro Error fixes

Description

fixed variable "err" referenced before assignment in Kucoin and CoinbasePro API files that was introduced in v6.4.2
consolidated some code in Kucoin and CoinbasePro API files, eliminating a bunch of duplicated lines
added trading_data (dataframe) variable to additional execute_job function calls in pycryptobot.py to help minimize API requests

Please make your selection.

[x ] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[x ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update
[ ] This change requires a new dependency
[ ] Code Maintainability / comments
[x ] Code Refactoring / future-proofing

Run live for 3 days with no errors and previously, error would appear every 2 to 3 hours

[x ] My code follows the style guidelines of this project
[x ] I have performed a self-review of my own code
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have made corresponding changes to the documentation
[x ] My changes generate no new warnings
[ ] I have added pytest unit tests that prove my fix is effective or that my feature works
[ ] New and existing unit tests pass locally with my changes
[ ] Any dependent changes have been merged and published in downstream modules
[x ] I have checked my code and corrected any misspellings