Properly HTML-format comments before displaying.
Properly HTML-format comments before displaying.

This makes sure to e.g. preserve newlines and quoting blocks.

Closes #224.

AKiniyalocts/gh4a,Bloody-Badboy/gh4a,DeLaSalleUniversity-Manila/octodroid-ToastyKrabstix,slapperwan/gh4a,sauloaguiar/gh4a,sauloaguiar/gh4a,shineM/gh4a,DeLaSalleUniversity-Manila/octodroid-ToastyKrabstix,shekibobo/gh4a,slapperwan/gh4a,shekibobo/gh4a,edyesed/gh4a,AKiniyalocts/gh4a,Bloody-Badboy/gh4a,shineM/gh4a,edyesed/gh4a