9551Dev's metamethod list

__add addition
__sub subtraction
__mul multiplication
__div division
__mod modulo (%)
__pow power (^)
__unm unary operation
__concat concatenation
__len lenght (#)
__eq equal
__lt less then
__le less then or equal
__index getting non existen index in an table
__newindex creating new field in an table
__call called when Lua calls a value