Make thread local keyword optional by using a config macro SOL_NO_THREAD_LOCAL (off by default) (Fixes#979).
Cannot do anything for #985; that's an architecture issue.
inherently dangerous, since that means the destructor can be called on incomplete memory if a constructor throws...
.... Not my problem! :D
blah blah shitty warnings
Reduce compile-times by removing lambda shenanigans and moving data that is already serialized into runtime systems to runtime
Fix bugs with precedence ordering related to index and new_index
Prepare to add 20000 more if constexpr to reduce compile-times even further.