0.3
	Fix the version numbers in ChangeLog
	Add the 'Bugs' section to README and describe some non-bugs that
		people might think are bugs.
	Remove a spurious file that sneaked into the distribution
	Fix the variable usage in Makefile
	Add a clean target

0.2
	Package the .c file with some documentation and this changelog.
	Add GPL copyright notice.
	Change name to gpg-multi now that --sign-key is a runtime option.
	Use a full path to invoke gpg to prevent a trojan gpg getting invoked.
	Tidy up an error message,

0.1
	Initial release (under the name sign-many).
