code: function (command, options) {
          var exec = require('child_process').exec;
          var defer = Q.defer();
  
          //Prepare the options object to be valid
          options = prepareOptions(options);
  
          //Activate-Deactivate command logging execution
          printCommandExecution(command, options);
  
          exec('git ' + prepareCommand(command), options, function (err, stdout, stderr) {
              //Activate-deactivate err and out logging
              printCommandResponse({err:err, stdout:stdout, stderr:stderr});
  
              if (err) {
                  defer.reject({err: err, stderr: stderr});
              } else {
                  defer.resolve({res:stdout, out:stderr});
              }
          });
  
          return defer.promise;
      }
docs: Main function to use the command line tools to execute git commands
  @param command   Command to execute. Do not include 'git ' prefix
  @param options   Options available in exec command https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback
  @returns {promise|*|Q.promise}