Node.js 4.8.3 compilation failure

[hhellyer]

@richardlau spotted a compilation failure on Node.js 4.8.3, the problem is in the code added under PR #82 (Allow Error object to be passed to node-report).

-bash-4.2$ npm install

> node-report@2.1.2 install /home/users/riclau/sandbox/github/nodereport
> node-gyp rebuild

make: Entering directory `/home/users/riclau/sandbox/github/nodereport/build'
  CXX(target) Release/obj.target/api/src/node_report.o
../src/node_report.cc: In function ‘void nodereport::PrintJavaScriptErrorStack(std::ostream&, v8::Isolate*, v8::MaybeLocal<v8::Value>)’:
../src/node_report.cc:1008:88: error: no matching function for call to ‘v8::Exception::CreateMessage(v8::Isolate*&, v8::Local<v8::Value>)’
   Local<Message> message = v8::Exception::CreateMessage(isolate, error.ToLocalChecked());
                                                                                        ^
../src/node_report.cc:1008:88: note: candidate is:
In file included from /home/users/riclau/.node-gyp/4.8.3/include/node/node.h:42:0,
                 from ../node_modules/nan/nan.h:47,
                 from ../src/node_report.h:4,
                 from ../src/node_report.cc:1:
/home/users/riclau/.node-gyp/4.8.3/include/node/v8.h:4874:25: note: static v8::Local<v8::Message> v8::Exception::CreateMessage(v8::Local<v8::Value>)
   static Local<Message> CreateMessage(Local<Value> exception);
                         ^
/home/users/riclau/.node-gyp/4.8.3/include/node/v8.h:4874:25: note:   candidate expects 1 argument, 2 provided
make: *** [Release/obj.target/api/src/node_report.o] Error 1
make: Leaving directory `/home/users/riclau/sandbox/github/nodereport/build'

[rnchamberlain]

See #88, fix landed as fd29aa1