* [COMP] Resolved compatibility issues with Windows which does not support tty get and set predicates.
* [RUN_EXT,SC] Use of run extensions to warn for DOT and eSpeak dependencies.
* [USER_INPUT,EXT] Added support for Windows directories.
Fixes and improvements while picking up the Web interface for logging.

* [WEB_MESSAGE,EXT] Web message is now displayed in the PraSem Web interface (debug mode).
* [WEB_MESSAGE,EXT] Set a maximum to the number of displayed log messages (using a setting).
* [XML,FIX] No longer free DTDs. I'm not sure why this went wrong...
* [XML_DOM,FIX] Unrecognized `style/1` option would throw an exception in the XML writed (now selected out of the options list).
* [FIX] Added several missing module imports.