def createExpressionList(string):
    """Creates a list of expression strings
        
    Keyword arguments:
    string -- String of semicolon-separated expressions
        
    Takes the expression string and splits it with semicolon as delimiter
    Returns list of single expression strings
    """
    exprList = list()
    exprTempList = string.split(";")
    # string ending with ";" results in "" being appended
    for x in exprTempList:
        if(x != ""):
            exprList.append(x)
    return exprList