I made an editor for patch files made with RPGMakerTrans v3 Patch Format. This should make it easy to track modify patches.
Download ( latest version - 1.4.1)
https://mega.nz/#!51YWQR4Z!BYGkoHBSBbqTFQrcIkPz77xqOxlWmsjZRilzMkN0RhI
Requires .Net Framework 4.5
currently, no form of progress...