Fix compile warning with clang++

Updated translations

Bump version number

Fixed progress seed not loading when negative (#282) + adapted PR #284

typo

Fixed inactive options button for list search mode

Merge pull request #268 from SunnySlopes/trunk

updated ZH_CN translation.

Update screenshots

added copy region context entry (#211)

Update 3.2.0

* added experimental 1.20 support
* added thread limit option for map view (#207)
* added multithreading support for biome image export
* added no-ocean biome layer for beta 1.7
* changed map scaling to be more consistent across platforms (#203)
* changed scaled biomes for beta 1.7 to be slightly more accurate
* fixed non-overworld voronoi scaling causing the program to crash (#209)
* fixed stronghold biomes for pre-1.13
* fixed a small 80 byte memory leak when switching seeds or version
* fixed tall_birch_hills instead of tall_birch_forest considered non-generating in 1.9 - 1.10 (MC-98995)
* fixed a crash when opening beta 1.7 with height map (still does not work though)