Bump version to v1.2

A simplified interface for generating a hash without needing to mess
around with creating the salt yourself and a nice performance bonus
that is made possible because of that

META.info

@@ -1,6 +1,6 @@
 {
     "name" : "Crypt::Bcrypt",
-    "version" : "1.1.0",
+    "version" : "1.2.0",
     "author" : "github:carbin",
     "description" : "An implementation of bcrypt using NativeCall",
     "build-depends" : [ "LibraryMake" ],