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Format unification for x86 and x86_64. Bug fixes.
WARNING: Format is not compatible with 0.2 and below.
Only data saved on x86_64 is affected, though.
Data, saved on x86, should load fine.
New features:
-- Format change: unified save format for x86 vs. x86_64.
-- API to save data to FILE * stream without Lua (see fwrite.h).
Bug fixes:
-- Load: fixed bug in readbyte, now it checks if we have data before read.
-- Load: fixed Lua C stack overflow bug on large data.
Misc:
-- Better module information.
Replaced luabins.VERSION with _VERSION, _DESCRIPTION and _COPYRIGHT.
-- Added some CLI tools, useful for Luabins development (see etc/).
-- Some code cleanup.