Add Object.pm
Port basic_mock to oo
Port 02 to OO
Clean up bugs in diag calling
port 03 to OO
Port 04 to oo
Port 99 changes to OO
Add Test::Builder mock class
ReallyStrict.pm: Rewrite in terms of Object
t/lib/mocktest.pm: Add ls_events
t/01_basic_mock.t: Rewrite with new mock
Rewrite 01_oo in terms of  mocktest
Perltidy misc
Rewrite t/02 in terms of mocktest
Rewrite 02_oo in terms of mocktest
add num_events method to mocktest
refactor 03_keeps_comparing into mocktest
Refactor t/03_keep_comparing in terms of mocktest
refactor 04 in terms of mocktest
refactor 04_next_token_oo in terms of mocktest