Fix: IndexOutOfRange if a object is used as a key.
Fix: IndexOutOfRange if a object is used as a key.

git-svn-id: aa2a336599e7068ff5cd3016b1146e3121f70fb4@31964 2abf6ff4-378a-4344-b6f7-2bcd8b316ba9

REALTOBIZ/neolua,neolithos/neolua