add internalWeb3 - return the execution context web3

src/app.js

@@ -536,8 +536,8 @@ function run () {
   }
   var transactionDebugger = new Debugger('#debugger', debugAPI, editor.event)
   transactionDebugger.addProvider('vm', executionContext.vm())
-  transactionDebugger.addProvider('injected', executionContext.web3())
+  transactionDebugger.addProvider('injected', executionContext.internalWeb3())
-  transactionDebugger.addProvider('web3', executionContext.web3())
+  transactionDebugger.addProvider('web3', executionContext.internalWeb3())
   transactionDebugger.switchProvider(executionContext.getProvider())
 
   var txLogger = new TxLogger({

src/execution-context.js

@@ -92,6 +92,10 @@ function ExecutionContext () {
     return this.isVM() ? web3VM : web3
   }
 
+  this.internalWeb3 = function () {
+    return web3
+  }
+
   this.blankWeb3 = function () {
     return blankWeb3
   }