fix "#define"

#286

• fix "#define"

add EXTENDED_INCHAR_ANSI

Merge pull request #284 from chhsiao1981/release-0.20.3

update version to 0.20.3

serialize/deserialize board-idx as public function

#281

• serialize/deserialize board-idx as public function

use ptt.load-hot-boards

#279

• use ptt.load-hot-boards amid boardd is using utf8

boardd.LoadHotBoards

#277

• boardd.LoadHotBoards

add get-user-visit-count

#274

• Get user visit count

update delete-articles api

#271

• Delete article Update API Response from Indexes to ArticleIDs

delete articles

#269

• delete articles

api.EditArticleResult add full_title

#267

• api.EditArticleResult add full_title

api.EditArticleResult add title and class

#265

• api.EditArticleResult add title and class