vee-validate 2.0.0-rc.14 on Node.js NPM

Fixed an issue where a field does not re-validate when the rules change to a falsy value. #728
Fixed required flag not updating correctly when the rules change for a field. #747
Fixed field classes and negated flags not updating correctly when using validator.flag.
Fixed an issue that prevented the fields flags from being cleaned properly when a field is detached/removed. #751
Fixed an issue that caused infinite loop when passing rules as an object with an array as a param. #752
Fixed an issue that displayed a false-positive error when passing a value to after and before rules instead of a selector. #754

Add human readable formatting for size rule error messages for most locales. #742
New Plugin API allows you to extend vee-validate with 3rd party plugins or your own.
Added firstNot method to the error bag, which allows you to select an error message that does not match a specific rule. #737
size messages has been updated to provide a more human readable size in error messages. #742
Validator.clean now also resets fields flags.

Added integer rule which behaves the same as numeric except it also allows negative values. #746
Added length rule which validates arrays/strings/enumerables lengths against an exact length, providing a second argument will make the rule match the value length in that range (min, max).