1. A method comprising: duplicating a first portion of a first data set relating to a software application at a computing device into a second portion that is placed within a second data set; amending a second portion to represent a modification to be made to the software application without having to modify the first data set; facilitating running of the software application based on the first data set until the first portion is reached; and performing customized overriding of the first portion by the amended second portion, wherein customized overriding includes ignoring the first portion of the first data set upon detecting the first portion, referring, in run-time, the amended second portion of the second data set upon reaching the first portion during the running of the software application, wherein referring is performed to implement, in run-time, the modification to the software application, and reverting back to the first data set after the amended second portion has been referenced and the modification has been implemented.