lib/plugins/aws/deployList/index.js/AwsDeployList/getFunctions
class AwsDeployList:  getFunctions() {
    const params = {
      MaxItems: 200,
    };

    return this.provider.request('Lambda',
      'listFunctions',
      params,
      this.options.stage,
      this.options.region)
      .then((result) => {
        const allFuncs = result.Functions;

        const serviceName = `${this.serverless.service.service}-${this.options.stage}`;
        const regex = new RegExp(serviceName);
        const serviceFuncs = allFuncs.filter((func) => func.FunctionName.match(regex));

        return BbPromise.resolve(serviceFuncs);
      });
  }