OFFSET replacement now deals with errors in arguments
Altered the way that arrays are replaced with single cells
Generated C code now has C if statements, so that there is no need to evaluate both the true and the false case
Updated gitignore with outputs of new examples
Optional attribute on excel_to_x: extract_repeated_parts_of_formulae. Setting it to false may make it easier to localise errors
Added a guard on the array replacement routine
SUMIF now copes with criteria ranges that are different in size from sum ranges