Consider some way of handling build setting changes over time (extracting modern settings from older project)

[dempseyatgithub]

This issue is related to issue #33, where a setting is now obsolete and is now represented by two settings. The old setting is still allowed by Xcode to be in the project file, but in the interface it appears as two settings.

I'm reluctant to change build settings from what is present in the original project file, but there might be some way to alert the user that they may want to move to more up-to-date settings. Possibly a set of notes that is generated alongside the xcconfig files, a FAQ as part of the ReadMe or some other mechanism. Or possibly suggesting, for older projects, to create a new project, run BSE on both, and compare build settings to see if any seem unused or very different in a brand new project.

[dempseyatgithub]

Possibly in support of this, it would be interesting to me at least to have a repository of default build settings of projects over time / Xcode versions.