Merge pull request #316 from crate/master

updated crate version to 0.45.4

library/crate

@@ -2,8 +2,8 @@
 
 # see also https://crate.io
 
-latest: git://github.com/crate/[email protected].2
+latest: git://github.com/crate/[email protected].4
 0.44: git://github.com/crate/[email protected]
 0.44.8: git://github.com/crate/[email protected]
-0.45: git://github.com/crate/[email protected].2
-0.45.2: git://github.com/crate/[email protected]
+0.45: git://github.com/crate/[email protected].4
+0.45.4: git://github.com/crate/[email protected]