old_contents: var providers = require('../src/providers');
  
  providers.getProviderLevelDB();
  
  
  setTimeout(function() {
      providers.getProviderLevelDB().getDb().createReadStream()
          .on('data', function (data) {
              console.log('key: %s value: %s', data.key, JSON.stringify(data.value));
              console.log('\n');
          })
          .on('error', function (err) {
              console.error('error stream' + err.message);
          })
          .on('close', function () {
              console.log('close stream');
          })
          .on('end', function () {
              console.log('end stream');
          });
  }, 1000);
  
  
new_contents: var util = require('util'),
      colors = require('colors'),
      levelDb = require('../src/level-db');
  
  levelDb.init();
  
  
  setTimeout(function() {
  
      levelDb.getDb().createReadStream()
          .on('data', function (data) {
              console.log(util.format('key: %s', data.key).green);
              console.log(util.format('value: %s', data.value).cyan)  ;
  
              console.log('\n');
          })
          .on('error', function (err) {
              console.error('error stream' + err.message);
          })
          .on('close', function () {
              console.log('close stream');
          })
          .on('end', function () {
              console.log('end stream');
          });
  }, 1000);
  
  
subject: Add color console output for test script