Merge pull request #357 from perl6/html-escape

Add HTML::Escape

Author: jonathanstowe

META.list

@@ -865,3 +865,4 @@ https://raw.githubusercontent.com/grondilu/symbol/master/META6.json
 https://raw.githubusercontent.com/YellowApple/p6-GLFW/master/META6.json
 https://raw.githubusercontent.com/briandfoy/perl6-PrettyDump/master/META.info
 https://raw.githubusercontent.com/mcsnolte/Text-UpsideDown/master/META6.json
+https://raw.githubusercontent.com/moznion/p6-HTML-Escape/master/META6.json