fix wrong test & use reflect.IsNil instead of reflect.IsZero for Go 1.11

port support *bool like pointer filling in SetValueFromString to v3

Merge pull request #38 from favclip/fix-ptr-refs

support *bool like pointer filling in SetValueFromString

Merge pull request #37 from favclip/feat-update-deps

update dependencies

Merge pull request #35 from soundTricker/fix-additional-properties-type

AdditionalProperties should be *Schema

Merge pull request #33 from favclip/feat-gomod

convert project structure to Go Modules requirements

Merge pull request #32 from favclip/fix-shortage

fix(ucon): check rv.IsValid() first on RequestValidator

Merge pull request #31 from favclip/feat-support-form

feat(ucon): support application/x-www-form-urlencoded request

Merge pull request #30 from favclip/feat-bad-request

feat(ucon): fix error type similar to bad request

Merge pull request #29 from favclip/fix-consume-body

fix(ucon): don't consume request body when Content-Type is not applic…