Merge pull request #35 from ScriptSage001/master

Added restriction for the number of short links per month and added Global Rate Limiting

Merge pull request #34 from ScriptSage001/master

Added Cache Invalidations and minor response status codes changes

Merge pull request #18 from ScriptSage001/master

Added Caching, Added API Version and Improved Swagger Doc

Merge pull request #14 from ScriptSage001/master

Improved Code Quality