0.06:
        Remove ;" from the address field.

0.04:
	Add a "%kind_map" to lookup single-character map
	in "tags" file.

0.03:
	This version changes nothing but documentation.

0.02:
	Be able to handle tagfields. Replace the 'special' hash key
	in previous version with 'field'.

	The ->tags() now return a hashref of hashref, instead of
	arrayref of hashref. You can use tag name as hash key.

0.01:
	This version simple do a split/\t/, and return it as a hash,
	while hash keys are the name of the fields.
	According to http://ctags.sourceforge.net/FORMAT