Merge pull request mattpolzin#319 from mattpolzin/317/v3-migration-guide V3 Migration Guide

Merge pull request mattpolzin#314 from nexon/bugfix/294-dereferencing… …-callbacks Bugfix/294 dereferencing callbacks

Merge pull request mattpolzin#275 from noamalffasy/optional-paths Optional paths

Merge pull request mattpolzin#304 from mattpolzin/fix-server-variable… …-enum-conversion fix bug with conversion of Server Variable enum from OAS 3.0 to 3.1

Merge pull request mattpolzin#302 from mattpolzin/bugfix/300/explode-… …the-header-2 fix explode in header decoding.

Merge pull request mattpolzin#301 from mattpolzin/bugfix/300/explode-… …the-header fix bug where headers were not allowed to define explode when decoding

Merge pull request mattpolzin#295 from mattpolzin/store-dereferenced-… …component-name store component name as x-component-name when locally dereferencing an object.

Merge pull request mattpolzin#290 from mattpolzin/bugfix/286/optional… …-example-values make value optional for Example Objects

Merge pull request mattpolzin#284 from mattpolzin/bugfix/280/path-ite… …m-references Bugfix/280/path item references

Merge pull request mattpolzin#281 from mattpolzin/fix-simplified-all-… …of-schema-optionality Fix simplified allOf schema optionality