Merge pull request #33 from fulldump/feature/add-gomod

chore: add go.mod + fix README.md

Merge pull request #28 from fulldump/fulldump-patch-1

Update .travis.yml

Add panic message to description and avoid Headers duplication

Add handler_500 error

Merge pull request #24 from fulldump/feature/add-google-custom-operat…

…ions

Add support for google operations

Merge pull request #22 from fulldump/feature/add-parameters

Support for `Context.Parameters`

Merge pull request #10 from fulldump/feature/document-routing-example

Extend doc with routing diagram

Merge pull request #7 from fulldump/feature/add-path-handlers

Add path handlers to Context

Update README.md