Object count

Remove the following lines: 12, 15 through 19, 23 & 24, 26 through 28, 48 through 57, 70 and 105. Line 12: not needed because the variable defaults to zero; Line 15 through 19: does not do anything and looks out of place; Line 23 & 24: not needed because the variables default to zero; Lines 26 through 28: variable is not used anywhere in the class Lines 48 through 57: belongs in the Moon world class code Line 70: meaningless where placed (not used in method) Line 105: useless if changing worlds.