erzohrakhan

#168: Refactor PostgreSQLHistoryContextController

6

closes #168 - Use constructor injection instead of field injection for better testability and maintainability - Rename 'get' method to 'getById' for clarity - Rename 'put' method to 'update' for...

-Use constructor injection instead of field injection -Chang @PostMapping annotation to @GetMapping and @PutMapping as per Rest principle

Fixes #2 `Python 3.5 pip` has been renamed to `pip3`

Python 3.5 `pip` has been included with `Python` but they renamed it slightly pip is renamed to pip3 `pip install psycopg2-binary faker` should be `pip3 install psycopg2-binary faker`