Add more fields to PullRequestComment.toString.
Add more fields to PullRequestComment.toString.

bloodybear/yona,bloodybear/yona,naver/yobi,bloodybear/yona,doortts/forked-for-history,ChangsungKim/TestRepository01,brainagenet/yobi,Limseunghwan/oss,doortts/forked-for-history,ihoneymon/yobi,ahb0327/yobi,violetag/demo,naver/yobi,doortts/forked-for-history,doortts/fork-yobi,ahb0327/yobi,brainagenet/yobi,yona-projects/yona,yona-projects/yona,ihoneymon/yobi,doortts/fork-yobi,oolso/yobi,oolso/yobi,naver/yobi,ChangsungKim/TestRepository01,violetag/demo,oolso/yobi,doortts/fork-yobi,Limseunghwan/oss,brainagenet/yobi,yona-projects/yona,yona-projects/yona,ahb0327/yobi,bloodybear/yona,ihoneymon/yobi,doortts/fork-yobi,Limseunghwan/oss