LuaDist/lzlib — pull request #4 by moteus (2014-12-03 11:37:14+00:00)
Title: Fix. crc32 on system with 32 bit lua_Integer.

Main problem with convert lua_Number->lua_Integer->integer->uLong.
`test_crc32.lua` fail with lzlib 0.4.1 on Win x32 (except Lua 5.3).
Tested on WinXP Lua 5.1/5.2/5.3.beta.