- updated todo list
- removed unused class
- fixed a bug in the server URL mapper resolving the URL of the webroot
- implemented directory listing handler
Merge branch 'master' of github.com:lord-executor/MiniHttp

Conflicts:
	src/MiniHttp/todo.txt
Merge branch 'master' into unit-tests
- fixed ServerUrlMapper and its unit tests (creates actual test files now)
- added Moq mocking library
- unit tests for Line class