Log Message:
Changes 0.3.0:
	* Support for RZX rollback, including having snapshots and
	  multiple input recording blocks in input recording files.
	* Improved IDE emulation.
	* Support for microdrive images.
	* TZX Generalized Data Block support.
	* Support for Z80Em and CSW tape files.
	* Support for the TS2068.
	* Support for connected joystick information in snapshots.
	* Add interrupt length to timing information.
	* Routines to add and remove a block from a tape image.
	* Minor feature enhancements.
	* Minor bugfixes.