imgurlib.py: moved some json parsing into make_request()
search-comments.py: simplified hit counting, limiting.
dl-comments.py: download an archive of all a user's comments
imgurcache.py: get_comments() general method for retrieving all comments
dl-comments.py: replacing implementation with imgurcache.get_comments()
search-comments.py: replacing some logic with imgurcache.get_comment_chunks()
imgurlib.py: add details_format(), cleanup formatting functions
inspect-comment.py: add recursive thread walking, switch to details_format()