0.6.3.1 (2018-06-22)

-Increased visibility of the password field when connecting to a passworded server
-Updated es-ES locale with most of 0.6.3.0's changes
-Updated fr-FR locale to 0.6.3.0

Modding changes:
-Fixed a problem with setting custom movement speed per npc type
-Added TerrainGeneratorDefault.GetBiomePrimary (x, z)
-Made TerrainGeneratorDefaults' internal structs public
-Added World.GetChunks() to get the base chunk storage dict
-Added NPCBase.UsedBed property
-Made some parts of ZombieBase.ZombieDecision public
-Added MonsterTracker.GetAllMonsters*() methods to access the internal dictionaries
