Change docs to point to v0.18

README.md

@@ -19,7 +19,7 @@ To add `elefren` to your project, add the following to the
 `[dependencies]` section of your `Cargo.toml`
 
 ```toml
-elefren = "0.17"
+elefren = "0.18"
 ```
 
 ## Usage

src/helpers/mod.rs

@@ -5,7 +5,7 @@
 ///
 /// ```toml,ignore
 /// [dependencies.elefren]
-/// version = "0.17"
+/// version = "0.18"
 /// features = ["toml"]
 /// ```
 pub mod toml;
@@ -17,7 +17,7 @@ pub mod toml;
 ///
 /// ```toml,ignore
 /// [dependencies.elefen]
-/// version = "0.17"
+/// version = "0.18"
 /// features = ["json"]
 /// ```
 pub mod json;