refactor user fetch_china code, use block
Merge remote-tracking branch 'upstream/master'
get user avatar_url & contribute
add paginate
save user following
beautiful page, fix user bug
get 1k users
link username
Merge pull request #20 from mouse-lin/master

Refactoring ruby editing
improve the ratelimit
Fixed #23
fixed following number
Fixed #25
added a function of sortable table
Fixed #27
fixed one exception while extract data
changed to 800