* first new implementation, only works with AFL_DONT_OPTIMIZE
* bug hunting
* interim commit
* finalized LTO non-collision solution
* update documentation
* merge resulted in some problems, fixing these
* added lto env to env check
* fixed llvm weirdness to messes up our instrumentation due CFG rewrite optimizations
* all llvm instrumentation issues have been resolved! :-)
* llvm 9 is required (so far)
* update lto readme
