# Revision history for hanabi-dealer
## 0.5.0.0 -- 2020-02-05
* implement possibility marks which represent what colors and what numbers are possible for each card
* introduce utility functions using the information of possibilities, and redesign the set of utilities
* implement isDoubleDrop and warnDoubleDrop
* enable customizing verbosity from the client
* support Warp as the WebSocket server
* add the jsaddle flag
## 0.4.0.1 -- 2020-01-29
* fix the bug of the endgame behavior that crept in during the switch to 0.4.0.0
* adjust the screen for creating a game
## 0.4.0.0 -- 2020-01-28
* improve GUI
* enable starting games from anyone, and shuffling the player list
* actually implement the prolong option
* enable finding chop cards
* enable finding obviously-useless cards from the hints
* enable finding obviously-playable cards from the hints
* change the definition of invisibleBag to consider fully-hinted cards, too
* define some other utility functions
## 0.3.2.0 -- 2020-01-16
* make the server and the client parts of the library
* make other strategies selectable from the client, and make SimpleStrategy the first of such strategies
* roll back memoization to fix some problem
## 0.3.1.0 -- 2020-01-14
* introduce StrategyDict, dictionary-style interface to Strategy
* reflect the -p option
* resolve the name collision against websockets-0.12.7.0
## 0.3.0.1 -- 2020-01-12
* fix bestPossibleRank (and thus isUseless)
## 0.3.0.0 -- 2020-01-12
* playable client/server system via WebSocket
* GUI using GHCJS and Miso
* separate invisibleBag from PrivateView
* surpress redundant broadcasting of the observation to the current player
* add SimpleStrategy example
## 0.2.1.0 -- 2020-01-04
* introduce isPlayable
* fix several misfeatures
## 0.2.0.0 -- 2019-12-20
* define the Verbosity option
* confirm running with base-4.13 compiled by GHC-8.8.1.
## 0.1.0.0 -- 2019-12-18
* First version. Released on an unsuspecting world.