Bump version number

Cargo.toml

 [package]
 
 name = "tiled"
-version = "0.5.1"
+version = "0.7.0"
 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/"

README.md

@@ -10,7 +10,7 @@ Code contributions are welcome as are bug reports, documentation, suggestions an
 [There is a package on crates.io](https://crates.io/crates/tiled), to use simply add:
 
 ```
-tiled = "0.6.0"
+tiled = "0.7.0"
 ```
 
 to the dependencies section of your Cargo.toml.