Add omitempty tag option

Changelog

• Add omitempty tag option to methods extracting values based on tag

Use 1.11 Go and gometalinter

Retagging to ensure correct semantic versioning and therefore compatibility with Go modules

Use 1.11 Go and gometalinter

Update travis build with 1.11 go version
Use gometalinter for linting

Add support for embedded structs

1.1.0

Merge pull request #9 from intelligentpos/feature-support-embeded-str…

Mapping method using tags

Merge pull request #6 from intelligentpos/feature/tag_mappings

Implemented TagMapping

Add two extra methods

• ValuesFromTag: returns an interface slice with all the values of fields with the given tag
• NamesFromTagWithPrefix: returns an array with all the tag names for each field including the given prefix

Use variadic in IgnoreField

Merge pull request #3 from intelligentpos/add-budges

add extra budges

Initial release

Merge pull request #1 from intelligentpos/develop

Merge Develop to Master