Add a dependency on stack_trace.

nex3 · nex3 · commit bcd7f90ad8f2 · 2016-11-07T17:15:44.000-08:00
Closes #26
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -17,6 +17,7 @@ dependencies:
   path: "^1.0.0"
   source_span: "^1.0.0"
   string_scanner: ">=0.1.5 <2.0.0"
+  stack_trace: ">=0.9.0 <2.0.0"
   tuple: "^1.0.0"
 
 dev_dependencies:
