Merge branch 'hotfix/121'

Close #121
Fixed #111

Author: Xerkus

doc/book/set.md

@@ -22,7 +22,6 @@ The following validators come with the zend-validator distribution.
 - [IsInstanceOf](validators/isinstanceof.md)
 - [LessThan](validators/less-than.md)
 - [NotEmpty](validators/not-empty.md)
-- [PostCode](validators/post-code.md)
 - [Regex](validators/regex.md)
 - [Sitemap](validators/sitemap.md)
 - [Step](validators/step.md)

doc/book/validators/post-code.md

@@ -28,7 +28,6 @@ pages:
             - IsInstanceOf: validators/isinstanceof.md
             - LessThan: validators/less-than.md
             - NotEmpty: validators/not-empty.md
-            - PostCode: validators/post-code.md
             - Regex: validators/regex.md
             - Sitemap: validators/sitemap.md
             - Step: validators/step.md