Soar files for making a calendar

• calendar1.soar is the first basic version, which is not well organized, and puts 31 days in every month.
• calendar2.soar has a bug, which is that only one day per month will show up.
• calendar3.soar creates all 365 days, but the days are not separate objects, but are all attributes of the month.
• calendar4.soar is the same as calendar3.soar, but with dot notation.
• calendar5.soar adds the days of the week for each date, e.g. January 1 is Wednesday. This requires making each day a separate object.
• calendar6.soar adds train schedules for Fridays and the July 4 holiday. Since July 4 is also a Friday, both the Friday trains and the holiday trains are scheduled on July 4, which is wrong.
• calendar7.soar modifies calendar6.soar to use operators, so that a choice can be made between scheduling the holiday trains or the Friday trains. The holiday trains are preferred.