bump meson version number

unify indentation

update meson build number

code style consistency

Update meson file with correct version number

closes fallahn#122

Merge pull request fallahn#121 from fallahn/zstd

Implement optional Zstd support

Merge pull request fallahn#120 from fallahn/feature

Allow linking to external pugixml and zlib libraries

Merge pull request fallahn#110 from ironpowertga/1.9

update to be compatible with tiled 1.9

parse ObjectAlignment node of tile sets.

Merge pull request fallahn#87 from fallahn/github-actions

Move CI to github actions

Merge pull request fallahn#63 from u3shit/tileset-image-size

Add image size to Tileset (fixes fallahn#61)

Merge pull request fallahn#58 from fallahn/inf_map

Add infinite map support