Bump version

Cargo.toml

 [package]
 
 name = "tiled"
-version = "0.9.2"
+version = "0.9.3"
 description = "A rust crate for loading in maps created by the Tiled editor"
 repository = "https://github.com/mattyhall/rs-tiled.git"
 # documentation = "http://rust-ci.org/mattyhall/rs-tiled/doc/tiled/"
@@ -24,4 +24,4 @@ path = "examples/main.rs"
 base64  = "0.10"
 xml-rs  = "0.8"
 libflate = "0.1.18"
-zstd = "0.5"
\ No newline at end of file
+zstd = "0.5"