validator_derive

• Fix multiple custom validation
• Fix nested error handling

• Fix regressions from the derive rewrite, some things are back to 0.16 (eg custom functions)
• Remove require_nested, use required and nested validators instead
• Always require nested on the field for nested validation

• Derive macro has been entirely rewritten
• Validation is now done through traits that you can implement
• Remove phone validator
• Remove automatic use of serde rename for fields name (temporary)

• Allow passing code/message to required
• Add does_not_contain validator
• Check email length before validating it

Prepare for 0.15 release

Bump versions (#163)

• Allow multiple schema-level validations

• Allow length and range validators to take a reference to a variable
• Make validator work with Option<Vec<_>>
• Support reference for length types
• Fix phone, unic and card feature to actually work

• Add a derive feature so you don't need to add validator_derive to your Cargo.toml

• Add a blanket Validate implementation for references
• Add Required and RequiredNested validators

• Add non_control_characters validation

• ValidationErrors::errors and ValidationErrors::field_errors now use &self instead of self
• Move to edition 2018

• Change error type to allow use with nested validation

• Make validators work on Cow

• Make validators work on Cow

• Feature gate the card validator

• Fix path for regex starting with ::
• Update syn and quote

• Support Option<Option<T>> types

• Fix path for custom validators starting with ::

• Fix credit card validation being incorrect in enum

• Add international phone number and credit card validation

• Re-design ValidationError and Validate trait

• Validators now work on Option field and struct/fields with lifetimes

• Add contains and regex validator
• BREAKING: change Errors type to be a newtype in order to extend it

• Remove need for attr_literals feature
• Fix error when not having validation on each field
• Add struct level validation
• Add must_match validator