Support crypto 2.0.0. (#113)

Author: nex3

CHANGELOG.md

@@ -3,6 +3,8 @@
 ## 0.3.0+5
 - Fix duplicate logs issue when running as a BuilderTransformer.  
 
+- Support `crypto` 2.0.0.
+
 ## 0.3.0+4
 - Add error and stack trace to log messages from the BuilderTransformer.
 

pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   analyzer: ^0.27.1
   barback: ^0.15.0
   code_transformers: ^0.4.1
-  crypto: ">=0.9.2 <2.0.0"
+  crypto: ">=0.9.2 <3.0.0"
   logging: ^0.11.2
   glob: ^1.1.0
   path: ^1.1.0