Incorrect +version

Tail of the special +version meta must follow SemVer format.

Incorrect:

+version 0.0
+version 123
+version 1. 1 .1
+version 1.1.alpha
+version 1-alpha
+version alpha.1.1

[] > foo

Correct:

+version 0.0.0
+version 0.2.1
+version 42.0.555555
+version 0.0.1-alpha
+version 0.0.1-beta-1

[] > foo