1. A computer implemented method of performing object file modifications comprising: accessing at least one modification stub associated with an object file, wherein the modification stub comprises an instruction for modifying the object file, wherein the instruction identifies an element in the object file and defines instructions for modifying the identified element, wherein identifying an element comprises parsing the modification stub to determine an object ID that defines the element and x and y coordinates that identify a path to the defined element; applying a selected modification stub to the object file; and modifying the object file per the instruction contained in the modification stub.