Debian change for #95
fix spelling of "string"
simplify() docs: fix spelling and be explicity about type change
replace cut and paste with correct descriptions
updates for release 1.220
Add tests for PPI::Token::HereDoc.

Conflicts:
	Makefile.PL
Fix parsing heredocs without a trailing newline.
little bit of a readability improment in PPI::Token::HereDoc
assume * after } is an operator, not a cast

fixes #94