djbhsys/lua_memleak

check lua memory leak

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-- test
MemLeak:init([[memleak.log]]) -- init MemLeak op
MemLeak:cacheMemory()    -- cache memory1

local aaaaaaaaa = {}
bbbbbbbbbb = {}

MemLeak:cacheMemory()    -- cache memory2
MemLeak:differCache()    -- differ memory cache
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