Version 1.0.6:
	- If there are consecutive token separators, don't consider
	  there to be zero-length (and zero value) token between them

Version 1.0.5:
	- Compiles also as C++ code
	- Documentation updates
	- Use LT_INIT instead of long-deprecated AC_PROG_LIBTOOL

Version 1.0.4:
	- Parameters passed to isdigit() calls are explicitly int

Version 1.0.3:
	- Can be compiled with clang or tcc

Version 1.0.2:
	- Fixed a bug that prerelease token was not always recognized as one

Version 1.0.1:
	- Distribute documentation and auxiliary files
	- Fixed a bug that first character of consequent subtoken was ignored

Version 1.0:
	- First stable release

Version 0.1:
	- First release
