Version 1.2 - 02/04/2011
	* Added mutexes for safer handling of shared variables across threads.

Version 1.1 - 11/22/2009
	* CRITICAL FIX: Serial port was not being opened in non-blocking mode, 
	  preventing ssterm from working in some situations. This has been 
	  fixed.

Version 1.0 - 10/26/2009
	* Initial release.
