Minor tweaks in Cargo.toml files

Cargo.toml

@@ -4,6 +4,8 @@ name = "cpal"
 version = "0.0.1"
 authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
 description = "Cross-platform audio playing library in pure Rust."
+repository = "https://github.com/tomaka/cpal"
+license = "Apache-2.0"
 keywords = ["audio", "sound"]
 
 [target.i686-pc-windows-gnu.dependencies.winapi]
@@ -24,5 +26,5 @@ path = "alsa-sys"
 version = "*"
 path = "alsa-sys"
 
-[dev-dependencies.vorbis]
-git = "https://github.com/tomaka/vorbis-rs"
+[dev-dependencies]
+vorbis = "^0.0.1"

alsa-sys/Cargo.toml

@@ -6,4 +6,4 @@ authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
 build = "build.rs"
 
 [build-dependencies]
-pkg-config = "*"
+pkg-config = "^0.1.1"