bugfix: enum logical bugfix

bugfix: empty string unchecked from condition

bugfix: empty string unchecked from condition for rest of the fields

bugfix: empty string unchecked from condition

ref: code refactor and logical bug fixed

issue:resolved error property name was replaced by title

bugfix: nested items validation issue fixed

feat(title): Tag title will be use as name of error messages

feat: map and slice items validation tag added and error messages upd…

…ate.

update: key value separator updated clone to equal sign