Remove the very un-go-ish api struct, which was (among other things) making documentation very confused. Check that apiVersion was configured appropriately in top level functions. Took a pass at checking for improperly constructed objects before calling into C code with NULL pointers, other error handling cleanups.
Start (currently one sentence!) of package level documentation in a separate file.
Update README.md for API changes
APIVersion rejects unsupport versions; some initial documentation.
Fix APIVersion to ever possibly work.
Update stacktester to match our new, yet more awesome stack machine specification. Fix a few operations that were not correctly pushing results in the Database case.