Evaluate Limit() in quiet mode

[Axel Kramer]

Example: Limit(Sin(x)/x, x->0)

Prints the warning "Infinite expression 0^(negative number)"

Use EvalEngine.setQuietMode(true); to avoid these warnings

[Axel Kramer]

Fixed issue#43: Evaluate Limit() in quiet mode

→ <<cset d9656744cb93>>