v1.4.0

Feature Release

• Add library and promise option (@sylvainv) b734de3
• Adding export restructuring from @petehanson 874c4e5
• Typescript enhancements:
  • #5 update definition, export = > export default, transaction object (@deptno) 32df25f
  • #5 export type ServerlessMysql (@deptno) 75fa4cc