Make the main class name a variable
Make the main class name a variable

We use it in other places and as arguments to test methods,
so let's specify it exactly once.
dnmfarrell/Perly-Bot,briandfoy/Perly-Bot,briandfoy/Perly-Bot,dnmfarrell/Perly-Bot,dnmfarrell/Perly-Bot,dnmfarrell/Perly-Bot