Issue71 ttws

This addresses #71 
I first run
```
ttws --strip Annex60
```
Next, `git diff -w .` did not give any differences other than reformatting the closing `</htm>` tag.

Next, I run
```
ttws --eol=LF Annex60
```
which did not give any changes.
Finally, running
```
ttws --clean Annex60
```
which cleaned up the annotations considerably.

All unit tests run, the files open fine and Dymola and OMEdit.

If conflicts occur with other development branches, developers should be running
```
ttws --strip Annex60
ttws --eol=LF Annex60
ttws --clean Annex60
```
on the development branch prior to merging.