Update Dt.php

This resolves #5
fix examples web-representation
Update Dt.php
fix UTF-8 NBSP in Dt, issue #5
merge pull request
add encoding module parameter, fix 1 problem from issue #7
correct table
improve encoding for multibyte strings
Merge pull request #10 from githubjeka/patch-3

Correct translation table, fix issue #7
fix tests to match new translation table
Merge