Bump to 0.3.19

MaloJaffre · MaloJaffre · commit 7154d323793e · 2017-12-27T15:36:05.000+01:00
PRs since `0.3.18`: #193 #207 Sorry for the inconvenience, but this is required to unblock rust-lang/rust#46278 (#207 fixes broken links in compiler docs).
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand"
-version = "0.3.18"
+version = "0.3.19"
 authors = ["The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
