Merge pull request #6 from lboynton/step-4

Step 4

Author: lboynton

calls-to-dollar-arg.ql

@@ -1 +1,5 @@
+import javascript
 
+from CallExpr dollarCall, Expr dollarArg
+where dollarCall.getCalleeName() = "$" and dollarCall.getArgument(0) = dollarArg
+select dollarArg