Semantic version

Semver Calculator: https://semver.npmjs.com

Table w/ Backus-Naur form:

Semver	Versions
version	Exact version
^version	"Approximately equivalent to version (minor)" ^1.2.3 := >=1.2.3 <2.0.0-0
~version	"Compatible with version (patch)" ~1.2.3 := >=1.2.3 <1.(2+1).0 := >=1.2.3 <1.3.0-0