Address sanitizer part 2

[LADSoft]

Now that we've got basic sanitizer functionality working, we could try building a release version with it if that is possible. If we can do that we can run a broader series of tests than is possible the way it stands; the problem right now is a lot of the tests I want to run are both slow and run out of memory. If we can get the test suite running with an address sanitized version of the compiler we can make a new appveyor build to run this is a check...