Version 0.2:
	Added support to get command from SSH_ORIGINAL_COMMAND, to allow access
	to multiple repos using a single SSH keypair.
	
	Updated username detection code.
	
	Fixed a bug: Temporary files were not deleted, got stuck in infinite
	loop and crashed.
	
	Removed -s argument as SSH_ORIGINAL_COMMAND support replaces it.

Version 0.1:
	Initial release.