A basic utility to override some functions

Usage

Returns a function which takes in some parameters and returns a new overriden function

The function takes in the context as the first parameter, functionToReplace as the second parameter and options as the third parameter.

functionToReplace should be a property of the context. The returned function will be the overridden function.

1. before: The function to execute before the original function is executed
2. after :The function to execute after the original function is executed