shortuuid 2.1.1

Generate short uuid (shorter version of 32 bit Guid). It will be useful if you need unque id that is in shorter format.

[2.1.0] - 3 August 2020.

• Add default parameter as null in shortv4() function.

[2.0.0] - 1 July 2020.

• Update to static functions.

[1.0.1] - 22 Jun 2020.

• Update CI build.
• Format codes

[1.0.0] - 22 Jun 2020.

• Port short-uuid v3.1.1 from NodeJs.