Release Name: rb_cdio_0.1.1

Notes:
Version 0.1.1
Last version for libcdio 0.70


Changes:
* Deleted all "get_" at the begin of methods
* Unit tests on test dir
* New class CdIo::Tracks
* Added constants for tracks formats
* <i>CdIo::Track</i> 
  	* Verification for track number
	* New attribute @leadout