Save stacktrace before sending query
Save stacktrace before sending query

- Save the stacktrace on the way down into the call stack and restore
  it to eventual errors on the way back out to the caller

jorgebay/nodejs-driver,thiagoveras/nodejs-driver,datastax/nodejs-driver,chrisjsimpson/nodejs-driver,Teino1978-Corp/nodejs-driver,ably-forks/nodejs-driver,Applifier/node-cassandra-cql,datastax/nodejs-driver,jorgebay/node-cassandra-cql,layerhq/nodejs-driver,Applifier/nodejs-driver,jonathanleang/nodejs-driver,connor4312/nodejs-driver