rework: delete old structure outright
rework: prologue parsing now sane
rework: simplify bin/skadi
rework: deletions and moves
rework: wip unpackers
rework: apparently working full packet scanning
rework: works?
readme update
bin/skadi tweak
rework: don't try to delete in unpacker unless is_delta
entity state keys as tuples, less opaque
split replay and stream; string table as class
cached baselines, streaming tick bugfix
stream bootstrapping more intelligent about dest tick
potential problem with string table baseline caching
copy instancebaselines to ensure state purity
string table checks if instancebaseline wrt caching
world implementation
bin/skadi tweak to use world
Replace instances of 'bytes' with '_bytes' because 'bytes' is a built-in - we don't want any weird bugs because of that.