Created solution to exercise 16.1. Create a function called print_time to print out Time object contents colon separated.
Removed extraneous my_time object instantiation.
Created solution to exercise 16.2 create a function to compare two Time objects, returning True if first object occurs chronologically before second object.
Created solution to exercise 16.3.py, writing a correct version of increment() function, without loops. Modified print_time to pad zeroes when printing out Time objects.
Created pure function version of increment.