webform_validation 6.x-1.3

Changes since last release:

- Fix problem with determining version of Webform module, caused by legacy module files
- By daviddoyle: Add 'specific value' validation rule #896458: A patch for validation of a component equaling a specific value
- Fix issue with safe_key value 0 #886458: safe_key "0" problem
- add possibility to optionally specify min. and / or max. values for Numeric Values validator [##877802]
- By tobiasb fix multistep form validation for forms with fieldsets #833500: Doesn't work for fields inside a fieldset
- Added extra information about escaping reserved characters for the Words blacklist validator #822046: preg_match() warning after webform submit
- Added support for Node Clone module #681128: Support for Node Clone
- Clean up validation rules after a node has been deleted