test code for hw2
added comments.
added send-post-request
Added main and handle_connection
Merging branches
Made changes to server.py to allow for multiple links.
Added tests in test_server.py to test for connection to
the different types of links.
Finished hw3
Simplified structure

Modified some functions. Split handle_submit into handle_form and
handle_submit.
Merge branch 'hw3' into hw4
Changed test cases

Still getting errors running test cases. Need to refactor server.py for
hw5.
Merge branch 'master' into hw4

Added the template files.
completed hw5
completed hw5
completed hw5