[moved PR comment to line comment, don't get the hang of GitHub mobile yet..] 

OK good point, will make stacktrace optional, although I don't see how they will stand in the way unless you are using softwrapping in logcat.

About the tags: I thought it was good practice to have tags just print 1 thing during entire app (no matter the package name), without any extra information. I have never seen anyone use it like I saw some people do. It felt a bit hacky. However I see your point, seems useful.