Fix Issue #14 -- Output Files Mixup

[rboston628]

This fixes Issue #14

Go to main, build, run any input file.

• View the calcname_in.txt file. It will be (errantly) the stellar data splash. The echo of the input file is absent.
• View the calcname.txt file. It will (errantly) have only the pulsation results.

Now go to this branch, build, run same inout file.

• View the calcname_in.txt file. It will have an echo of the input file.
• View the calcname.txt file. It will have both the stellar data splash and the pulsation results.

[rboston628]

Minor issue that I thought had been fixed -- the echo should echo 5/3 or 4/3 when these are used, instead of decimal approximations 1.667 or 1.333.

Since I'm fixing the I/O, I should handle that here.