2.6.20170927145003: Refactor Windows relative path support (#131)

* Refactor Windows relative path support

2.5.20170428142041

Validation fix.  Must raise exception when raise_ex is true and recor…

2.5.20170328195758: Fix for self-colliding ids on $import (#102)

* Fix for self-colliding ids on $import

2.5.20170327140858: Validating Ids for duplicate Issue#56 (#98)

* Validating duplicate ids are not present Issue#56

2.4.20170308171942: In vocab flag (#97)

* Mark named items as "not in vocabulary" so that they can only be referenced by
fully qualified URI and not by short name.  Enables adding validated spec
extensions without adding new keywords.

2.3.20170302225134: Set publicID when passing plain data to RDF parser. (#91)

* Set publicID when passing plain data to RDF parser.

2.3.20170302150835: Relax strict checking foreign properties (#90)

* Separate strictness of checking foreign properties from strict checking of
primary properties.

* Bump version.

* Fix early exit check.

* Tweak foreign property warning.

* follow two spaces before a comment rule

in this case the comments are type definitions

2.2.20170222151604: Make split_frag optional in converting fileuri. (#88)

* Make split_frag optional in converting fileuri.

2.2.20170216125639: Merge pull request #87 from common-workflow-language/release-update

newer pip dependency

2.2.20170126160727

Fix performance regression in schema loading by stripping ruamel.yaml…