Version bump.

Fix documentation link.

Cargo.toml

 [package]
 name = "base64-lib"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Jeremy M. Reed <reeje76@gmail.com>"]
 repository = "https://gitlab.com/jeremymreed/base64-lib.git"
 homepage = "https://gitlab.com/jeremymreed/base64-lib.git"
 license = "MIT"
 readme = "README.md"
-documentation = "https://docs.rs/base64-lib/0.1.0/base64_lib/"
+documentation = "https://docs.rs/base64-lib"
 description = "A base64 encoder / decoder"
 
 [dependencies]