Solution to exercise 1
Convert tabs to spaces for indentation
Parameterize the name of each prime tester server
Rename client function to reflect asynchronous call
Exercise 2 solved
Solution to exercise 3
Add a README file
Added tester_db module
Incorporated tester_db module
Rename tester_db module to lib_tester_db
Create a dets table in addition to ets
Update the dets table
Supervisor hierarchy in place - not fault-tolerant yet
Exercise 4 completed - database code added to implement fault tolerance
Exercises 5 and 6 completed
Cleanup the README
Minor tweak to README
Start implementing database transactions
Merge branch 'extra' into exercise-5-6
Merge branch 'exercise-1'